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FISCHER, P.-H., DuvAL, M. & Rarry, A. 1933. Etudes sur les échanges respiratoires des littorines. Archs

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Konn, A. J. 1960a. Ecological notes on Conus (Mollusca: Gastropoda) in the Trincomalee region of Ceylon.

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Konun, A. J. 19605. Spawning behaviour, egg masses and larval development in Conus from the Indian Ocean.

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ANNALS OF THE SOUTH AFRICAN MUSEUM

ANNALE VAN DIE SUID-AFRIKAANSE MUSEUM

Volume 72 ~~ +#2Band

March 1977 Maart

Part 9 Deel

THE SOUTH AFRICAN MUSEUM’S

MEIRING NAUDE CRUISES

PART 2

CRUSTACEA, DECAPODA, ANOMURA AND BRACHYURA

BRIAN KENSLEY

Cape Town Kaapstad

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THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES

PART 2

CRUSTACEA, DECAPODA, ANOMURA AND BRACHYURA

BRIAN KENSLEY

South African Museum, Cape Town

(With 17 figures)

[MS. accepted 7 December 1976]

ABSTRACT

Twenty-seven species of anomuran and brachyuran decapod crustaceans from deep water

off Natal are dealt with. Of the nine new records for the area, five are described as new species.

These are Uroptychus foulisi, Uroptychus simiae, Uroptychus undecimspinosus, Pseudodromia

spinosissima and Rochinia natalensis.

CONTENTS

PAGE

Introduction : 2 : : ; . 161

Species list . : ; : , d . 161

Systematic discussion : : ; . 163

Acknowledgements . : ‘ : su de Z/

References . : , : ; : BO Alty/

INTRODUCTION

The present paper forms part of a series, based on material collected by

the South African Museum during two cruises off the Natal coast, on the

R/V Meiring Naude. For the scope of, and the background to this programme,

as well as for all station data, the reader is referred to Louw (1977).

Only the systematics of the Anomura and Brachyura collected are here

presented. It is hoped to deal with aspects of the benthic ecology and zoo-

geography of the cruises in a separate paper.

The following abbreviations are used throughout this paper: SAM—

South African Museum catalogue number; SM— Meiring Naude station num-

bers; CB—carapace breadth; CL—carapace length; R—rostrum; ovig.—

ovigerous; juv.—juvenile.

SPECIES LIST

SM Station ovig.

no. 3d (ole) 2° juy.

Suborder ANOMURA

Family Paguridae

[RASUTUSISD ae ete? en ag, COP A i 22 = 1 =

66 1 -- — =

Parapagurus pilosimanus Smith . . . . . 22 — - 4 —

28 — — 1 —

38 5 6 — =

161

Ann. S. Afr. Mus. 72 (9), 1977: 161-188, 17 figs.

162 ANNALS OF THE SOUTH AFRICAN MUSEUM

Parapagurus pilosimanus Smith (cont.)

*Porcellanopagurus sp. .

Family Lithodidae

*Tithodes murrayi Henderson .

Family Chirostylidae

*Uroptychus foulisi sp. nov... :

Uroptychus nitidus (A. M. Edwards) :

*Uroptychus simiae sp. nov.

*Uroptychus undecimspinosus sp. nov.

Family Galatheidae

Munida incerta Henderson

Munida sanctipauli Henderson

* Munidopsis dasypus Alcock

Suborder BRACHYURA

Family Homolodromiidae

* Homolodromia bouvieri Doflein

Family Dromiidae

*Pseudodromia spinosissima sp. Nov.

dromiid (damaged) .

Family Dorippidae

Cymonomus trifurcus Stebbing

Family Leucosiidae

Ebalia sp... 5

Philyra plobulosa. A. M. ‘Edwards :

Family Majidae

Achaeopsis spinulosus Stimpson

* new record

SM Station

no.

114

—

ae) |}

eews |

PPNARFENOWONORAWNNH FE

—

—_

— —

Sex lS fk |

—

=O = coe eat |

THE SOUTH AFRICAN MUSEUM'S MEIRING NAUDE CRUISES 163

SM Station ovig.

no. 3d LY Ye juy.

Platymaia turbynei Stebbing . . . . . . q 29 17 10 —

15 1 — = =

38 8 7 — =

58 9 12 — =

66 Dp) i 1 —

22 -- 1 — =

74 4 1 — =

107 2 2 — =

Pleistacantha moseleyi (Miers) Ag Sth ae ee 15 ~ 1 ~ =

*Rochinia natalensis sp.nov. . . . . . . 23 1 — = =

43 — — 1 —

Family Portunidae

GharybdisssmithipMicWeay.. es 5) 1 — — =

45 1 2 — —

Portunus hastatoides Fabricius aa are mene eee Bliss 2 -- _ =

Portunus sanguinolentus (Herbst) . . . . . 115 Dp, 2 - —

Family Goneplacidae

Geryon quinquedens Smith. . . . . . . 38 3 1 — —

GEnvorn SP et, ed Se a ea ea en ae ae 67 — — - 1

iEitochetra kingsleyi (Miers) = 3 8 86 1 — a —

* new record

SYSTEMATIC DISCUSSION

Family Paguridae

Pagurus sp.

Description

Eyestalks shorter than anterior border of carapace; cornea dilated. Rostrum

and ophthalmic scales acute. Fingers of left cheliped longer than palm, scattered

conical spines on dorsal surface of palm and fixed finger; carpus with row of

spines on inner dorsal margin and scattered spines on rest of dorsal surface.

Right cheliped longer and more robust than left, cutting edges of fingers with

several large white teeth; dorsal surface of palm with scattered conical spines

and numerous elongate setae; carpus with median dorsal row of spines and

double row of spines on inner dorsal margin; merus with three spines on disto-

dorsal margin and few scattered ventral spines.

Female carrying four unpaired pleopods on abdomen; male with three

unpaired pleopods, vasa deferentia not protruding.

Material

SAM-A15340 SM 22 1 ovig. female

SAM-A15339 SM 66 1 male.

Remarks

In the shape and spination of the chelipeds, the present material agrees

with Eupagurus investigatoris Alcock, 1905 (p. 28, pl. 11 (fig. 2)). This species,

however, possesses slender eyestalks which are slightly longer than the anterior

164 ANNALS OF THE SOUTH AFRICAN MUSEUM

3r 10 g 30. Eu SZ 10° 20 30" i

| SOMwAin

40}

J Richards Bay

4 | as

1 4B OD

a y; DURBAN

Woke Ui a La

Fig. 1. Map showing distribution of stations.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 165

border of the carapace. As this group of pagurids requires revision, further

identification is not attempted.

Porcellanopagurus sp.

Fig. 2

Description

Carapace slightly longer than broad; rostrum broadly triangular; antero-

lateral corner a strong triangular tooth; three lateral carapace lobes, first a

small spine preceded by a rounded process and followed by two or three

crenulations, second and third lobes strong, dentiform; gastric area demarked

by shallow grooves. Abdomen straight, right side more inflated than left,

tail-fan symmetrical, telson as long as broad with very slight median notch.

Eyestalks not reaching end of third antennal peduncle segment.

Outer distal angle of basal antennal peduncle segment spinose, antennal

scale almost twice length of second segment, cylindrical.

Third maxilliped pediform, bases separate.

Fig. 2. Porcellanopagurus sp. Dorsal view with tail fan enlarged.

166 ANNALS OF THE SOUTH AFRICAN MUSEUM

Chelipeds both regenerating, not fully developed.

Second and third pereiopods similar, third slightly longer; dns with

short slender spines on ventral margin, meri four times longer than wide.

Fourth pereiopod longer than fifth, subdorsal, propodus carrying row of

denticles on dorsal margin, distal lobe forming chela with claw-like dactyl.

Fifth pereiopod with tiny chela, propodus armed with distal denticles.

Three biramous pleopods present on left side, upper ramus tiny.

Colour pattern: ambulatory pereiopods with broad red bands on a cream

ground; carapace, rostral apex and eyestalks with red patches.

Material

SAM-A15302 SM 43 1¢ CL 4,1 mm CB 4,0 mm.

Remarks

Four species of this rather rare genus have been recorded, viz. P. edwardsi

Filhol, from Auckland Is., Campbell Is., Stewart Is., and North Cape, New

Zealand; P. platei Lenz from Juan Fernandez (regarded by Bennett (1932)

as extremely close to, if not synonymous with P. edwardsi); P. japonica Balss

from Japan, and P. tridentatus Whitelegge from New South Wales.

The incompletely developed chelipeds of the present specimen make identi-

fication difficult. Some differences between the above-mentioned four species

and the present small female, however, are apparent. The telson of P. edwardsi

is broader than long, rather than almost circular in the Natal specimen; the

latter also lacks a median rostral ridge. The close similarity of P. platei to

P. edwardsi also eliminates this species; in addition Lenz (1902, pl. 23, fig. 2)

shows the telson apically pointed. P. tridentatus differs from the present species

in that the lateral carapace lobes are smaller and more spinose, and the meri

of the ambulatory pereiopods are three times longer than wide. P. japonica

also possesses a pointed telson and the lateral carapace lobes are not as strong

as the Natal specimen.

In view of the small number of specimens in this genus, the taxonomic

uncertainty, and the lack of chelipeds in this specimen, specific status cannot

be given with any certainty.

Family Lithodidae

Lithodes murrayi Henderson

Fig. 3

Lithodes murrayi Henderson, 1888: 43, pl. 4. Hale, 1941 :272, pl. 3 (figs 3-4). Arnaud, 1971: 167.

Previous records

Possession Is., Prince Edward Is., Macquarie Is., Crozet Is., off Durban

(unpublished, P. Berry, pers. comm.).

Material

SAM-A15004 SM 83 1 ovig. 9 CL+R 158 mm.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 167

Fig. 3. Lithodes murrayi. Scale = 50 mm.

Uroptychus nitidus (A. M. Edwards)

Fig. 4

Diptychus nitidus Edwards, 1880: 62.

Uroptychus nitidus Stebbing, 1902: 32; 1910: 365. Barnard, 1950: 495. fig. 92g-i.

Uroptychus nitidus occidentalis Faxon, 1895: 101, pl. 26 (fig. 1). Baba, 1973: 120, fig. 2, pl. 4

(fig. 1).

Uroptychus nitidus var. concolor Edwards & Bouvier, 1894: 225, figs 16, 21.

Previous records

Off Natal, off East London, West Indies, eastern North Atlantic, west

coast of America, off Florida.

Material

See Species List, page 162.

Remarks

Both the fact that several subspecies of this species have been described,

and that Edwards & Bouvier (1894), Stebbing (1902) and Chace (1942) mention

168 ANNALS OF THE SOUTH AFRICAN MUSEUM

variations within specimens from a single locality, indicate that this widespread

species is very variable. Within the present Natal material, variation in the

carapace spination was noticed. In the majority of specimens (and also in the

material from Florida that was examined) the slight ridges lateral to the rostral

base are barely noticeable (Fig. 4 bottom), but in a small percentage of both

males and females this ridge bears a single small spine (Fig. 4 top).

Fig. 4. Uroptychus nitidus. Variation in anterior carapace.

Uroptychus foulisi sp. nov.

Fig. 5

Description

Carapace and appendages carrying numerous fine silky hairs; carapace

dorsally unarmed, with numerous tiny pits, broadest at level of second ambu-

latory pereiopods, broader than mid-dorsal length (not including rostrum);

rostrum extending well beyond eyestalks, margin entire; antero-lateral angle

a strong spinose process, lateral margin with strong ridge-like tubercle at

anterior quarter, short spinose tubercle at about midpoint followed by about

five tubercles decreasing in size posteriorly. Sternum between third maxillipeds

with V-shaped emargination, with no trace of median notch.

Cornea of eye narrower than eyestalk, latter setose.

Crest on basal antennular segment apically truncate with spine at each

distal corner. Antennal acicle not quite reaching midpoint of distal peduncular

segment; second segment with small point on inner distal angle.

Dactylus and propodus of third maxilliped with thick pad of setae;

ischium with inner margin finely denticulate.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 169

se OO

f g

Fig. 5. Uroptychus foulisii.

a. Holotype in dorsal view, setae of right side omitted; b. anterior portion of sternum;

c. second pleopod, male; d. dactylus of second pereiopod; e. chela; f. base of antennule;

g. antenna.

170 ANNALS OF THE SOUTH AFRICAN MUSEUM

Dactylus of cheliped with cutting edge finely denticulate, with triangular

tooth at proximal third; cutting edge of propodal finger finely denticulate,

finger and thumb half length of palm; carpus slightly shorter than palm, outer

surface with scattered low tubercles; merus with strong spine on inner distal

angle, rest of merus with scattered low tubercles; ischium with small ventro-

distal spine and strong hook-like dorso-distal spine; similar hook-like spine

on basis. Dactyli of ambulatory pereiopods curved, with eight strong spines

on ventral edge.

Material

SAM-A15336 SM 107. holotype 1g CL+R 7,5 CB 6,9

allotype 1 ovig. 2 CL+R 8,2 CB 7,9

Remarks

U. foulisi belongs to that group of the genus characterized by the possession

of a carapace which is broader than long, and which lacks dorsal spination.

Five species fall into this group, but none agree with the present material.

U. suluensis van Dam has a rostrum and chelipeds too short and broad, and a

different sternum. U. tormentosus Baba shows a different sternum and the

lateral carapace spines are not strong enough. U. onychodactylus Tirmizi has

no lateral carapace spines, non-spinose chelipeds, and different ambulatory

dactyli. U. siraji Tirmizi possesses crenulate lateral carapace margin and non-

spinose chelipeds. U. scambus Benedict has a very short and triangular rostrum

and lacks lateral carapace spines.

The species is named for Capt. G. Foulis, master of the Research Vessel

Meiring Naude.

Uroptychus simiae sp. nov.

Figs 6-7

Description

Carapace (excluding rostrum) longer than wide; rostrum broadly triangular,

dorsally slightly concave, reaching halfway along eyestalks; antero-lateral

angle strongly spinose; single strong lateral carapace spine followed by two or

three smaller denticles; lateral plate bearing five or six spines just below linea

anomurica, not visible in dorsal view. Carapace dorsally smooth, cervical

groove faint. Anterior sternum with two spines at base of broad median notch,

two broad spines at base of third maxillipeds, single large spine and several

serrations at base of chelipeds.

Distal process of basal antennular segment with four blunt denticles.

Antennal acicle not reaching end of peduncle.

Third maxilliped with median margin of merus finely denticulate, proximal

teeth larger and more spaced; ischium with three teeth on median margin.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES VA

Fig. 6. Uroptychus simiae.

a. Holotype in dorsal view; b. chela of female; c. base of antennule; d. antenna; e. merus

and basis of third maxilliped; f. antero-lateral area of carapace; g. anterior portion of sternum.

YP ANNALS OF THE SOUTH AFRICAN MUSEUM

Fig. 7. Uroptychus simiae.

a. Dactylus and propodus of second pereiopod; b. pleopod one, male; c. pleopod two, male.

Chelipeds four times longer than carapace and rostrum; finger and thumb

about two-thirds length of palm, dactylus apically acute, with triangular tooth

at midpoint of cutting edge plus smaller proximal tooth; cutting edge finely

serrate; finger of propodus with broadly triangular point at distal third, cutting

edge finely serrate; carpus smooth, equal to palm in length; merus slightly

shorter than carpus, unarmed; ischium with dorsal hook-like spine and strong

disto-ventral spine followed by three or four smaller spines.

Ambulatory pereiopods with strongly curved dactyli, armed with eight

broad ventral teeth; propodi with seven elongate ventral spines and numerous

setae.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 173

Material

SAM-A15341 SM 23 Holotype ¢ CL-+-R 6,0 mm CB 4,8 mm

SAM-A15343 SM 86 Allotype 1 ovig. 2 CL+R 5,2 mm _ CB 4,5 mm

SAM-A15342 SM 23 253 6,0 x 4,8 mm to 4,8 x 3,8 mm

392 5,6 x 4,9 mm to 4,8 x 4,0 mm

1 ovig. 2 4,8 x 4,0 mm

SAM-A15344 SM 86 7933 5,9 x 4,5 mm to 5,0 x 3,9 mm

9 ovig 22 5,9 x 4,5 mm to 5,0 x 3,9 mm.

Remarks

U. simiae belongs to the group of species characterized by a broadly

triangular rostrum and a single strong lateral carapace spine in addition to

the antero-lateral spine. Four species of this group resemble U. simiae. These

are U. brevirostris van Dam, U. cavirostris Alcock & Anderson, U. Jatirostris

Yokoya, and U. sibogae van Dam. In all four, however, the rostrum is longer

than or equal in length to the eyestalks. In addition, the anterior sternum differs

markedly except in U. brevirostris. In the latter species, the sternum differs

only in that the portion at the base of the cheliped is serrated, while being

smooth in the Natal species. Further, the lateral carapace spine is not obvious,

and is more of a dent or bump than in U. simiae.

Uroptychus undecimspinosus sp. nov.

Figs 8-9

Description

Carapace length (excluding rostrum) less than breadth; rostrum acutely

triangular, dorsally slightly hollowed, lateral margins with three or four small

teeth; carapace widest posteriorly, lateral margins armed with nine spines

(including antero-lateral spine); single spine posterior to antero-lateral spine;

irregular row of nine spines across anterior carapace; rest of carapace smooth.

Sternum with deep median notch, flanked by small spines; antero-lateral angle

of third maxilliped and first pereiopod sternites spinose, remaining sternites

acute, not spinose.

Carpus of third maxilliped with strong distal spine and three smaller

proximal spines; merus with strong distal spine and two smaller spines at base;

median margin of merus and ischium finely pectinate.

Two distal antennal peduncular segments with strong spine on inner

distal angle, acicle extending slightly beyond apex of peduncle.

Chelipeds three times longer than carapace and rostrum; finger and thumb

about two-thirds length of palm, cutting edges finely serrate, dactylus with

broadly triangular serrated tooth proximally; carpus with row of eight strong

spines on median margin, and row of seven smaller denticles on dorsal surface,

two spines on both inner and outer disto-lateral angles; merus shorter than

carpus, with four denticles on dorsal surface, about five spines on median margin,

174 ANNALS OF THE SOUTH AFRICAN MUSEUM

Fig. 8. Uroptychus undecimspinosus.

a. Holotype in dorsal view; b. base of antennule; c. antenna; d. third maxilliped; e. anterior

portion of sternum.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 175

Fig. 9. Uroptychus undecimspinosus.

a. Ambulatory pereiopod; b. pleopod one, male; c. pleopod two, male.

and about seven strong ventral spines; ischium and basis short, each armed with

single ventro-distal spine. Ambulatory pereiopods with about nine spines on

ventral margin of dactyli, propodi with four disto-ventral spines, carpi with

single disto-dorsal spine.

Material

SAM-A15315 SM 43 1g Holotype CL+R 5,9 mm CB 4,0 mm

1 ovig. 2 Allotype 5,9 « 4,1 mm

12 Paratype 6,1 x 4,1 mm

4 juveniles.

176 ANNALS OF THE SOUTH AFRICAN MUSEUM

Remarks

U. undecimspinosus belongs to the group of species characterized by the

possession of spinose lateral carapace margins, a rostrum with minutely spinose

margins, a row of spines across the anterior carapace, spinose carpi and meri,

and smooth dactyli and propodi of the chelipeds. Several species can be placed

in this group on most of these criteria, but none agrees with the present material.

U. intermedius Edwards has smooth rostral margins, U. sibogae van Dam has

smooth rostral margins and lacks anterior carapace spines; U. nanophyes

McArdle has a similar rostrum and lateral carapace spines, but also has a

granular or tubercular carapace. U. spinosus (Edwards & Bouvier) lacks anterior

carapace spines, and has spinose propodi of the chelipeds. U. minutus Benedict

lacks anterior carapace spines, has relatively short chelipeds, and a smooth

rostrum. U. parvulus Henderson lacks anterior carapace spines, has a smooth

rostrum, and a non-pectinate third maxilliped.

U. undecimspinosus is named for the eleven dorsal spines on the anterior

carapace.

Family Galatheidae

Munidopsis dasypus Alcock

Fig. 10

Munidopsis dasypus Alcock, 1894: 329; 1901: 252. MacGilchrist, 1905: 245. Tirmizi, 1966:

218, fig. 32.

Previous records

South Arabian Coast, 1536—1939 m; Gulf of Aden, 1270 m.

Material

SAM-A15296 SM 10. | ovig. 2 CL+R 21,0 mm CB 10,0 mm.

Remarks

Slight differences exist between the present ovigerous female and the

above-mentioned descriptions. The posterior carapace margin possesses two

spines, while earlier material varied from four to eight spines. The lateral

carapace margin lacks a spine behind the strong antero-lateral spine, as figured

in the Jnvestigator specimen (Alcock 1895, pl. 13 (fig. 9)), while the chelipeds

of the Natal specimen are less spinose, especially the meri. The basal segment of

the antennular peduncle agrees with Tirmizi’s (1966) figure 32B of the male,

rather than with the female. Nevertheless, these differences cannot be con-

sidered of specific importance, considering the great distances over which the

species is distributed. MacGilchrist (1905) noted the variability of the carapace

spination in this species, and this no doubt also applies to the spination of the

appendages.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 77

Fig. 10. Munidopsis dasypus. Scale = 10 mm.

178 ANNALS OF THE SOUTH AFRICAN MUSEUM

Family Homolodromiidae

Homolodromia bouvieri Doflein

Figs 11-12

Homolodromia bouvieri Doflein, 1904: 4, fig. 1, pl. 5 (figs 1-3), pl. 38 (figs 9-13), pl. 43 (fig. 3).

Previous records

East African Coast, 863 m (13).

Material

SAM-A15297 SM 22 1¢ CL-+R 22,7 mm CB 18,4 mm.

Remarks

This appears to be only the second specimen of H. bouvieri and the third

specimen of the genus known. The other species, H. paradoxa, is known from

a single specimen from the West Indies.

Fig. 11. Homolodromia bouvieri. Scale = 10 mm.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 179

Fig. 12. Homolodromia bouvieri.

a. Dactylus and propodus of fourth pereiopod; b. inner view of chela; c. outer view of chela;

d. first and second pleopods, male.

Family Dromiidae

Pseudodromia spinosissima sp. nov.

Figs 13-15

Description

Female. Carapace, sternum, appendages, and dorsal surface of abdomen

all bearing numerous short needle-like spines interspersed with numerous long

finely spinulose hairs. Carapace length (including frontal lobes) slightly more

than breadth, convex, regions not demarked; front tridentate, median point

ventral to lateral lobes, dorsally visible; median and lateral lobes bearing spines.

Spinose epistome meeting median rostral point; suborbital process broad,

bearing several strong spines marginally. Abdomen broad, terminal segment

cordiform, no sign of uropodal vestiges. Sternal grooves ending close together

on median process between bases of chelipeds.

180 ANNALS OF THE SOUTH AFRICAN MUSEUM

Fig. 13. Pseudodromia spinosissima. Dorsal and ventral view of ovigerous female.

Second antennal peduncle segment with spinose process on distal external

angle. Endopod of third maxilliped operculiform, third to sixth segments

bearing spines, exopod terete, tapering, not quite reaching to distal margin of

fourth endopodal segment.

Chelipeds equal, finger and thumb of chela equal in length to palm, latter

dorsally spinose, ventrally granular.

Two pairs of ambulatory pereiopods similar, dactyli equal in length to

propodi, distally curved, with five small ventral spines. Fourth pereiopod slightly

shorter than fifth, dactylus strongly curved, forming pincer with straight spine

from distal end of propodus. Merus of fifth perelopod somewhat longer than

that of fourth, dactylus strongly curved, forming pincer with distal propodal

spine.

Branchial formula 6+3, i.e. six gills (that above fifth pereiopod reduced)

plus three epipodites, one each on maxillipeds one to three.

Three large eggs under abdomen.

Male. Carapace and pereiopodal appendages as in female. Abdomen

narrow and more spinose than in female, terminal segment tapering to narrow

stalk bearing a tiny spinose knob. Coxae of both fifth pereiopods bearing elon-

gate cylindrical vas deferens directed towards midline. First pleopod

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 181

Fig. 14. Pseudodromia spinosissima.

a. Carapace, setae omitted; b. antero-ventral portion of cephalothorax; c. second pereiopod;

d. male fifth pereiopod with vas deferens; e. cheliped; f. fifth pereiopod; g. fourth pereiopod.

182 ANNALS OF THE SOUTH AFRICAN MUSEUM

Fig. 15. Pseudodromia spinosissima.

a. Third maxilliped; b. mandible; c. apex of male abdomen; d. sternal grooves of female;

e. second maxilliped; f. maxilla; g. maxillule; h. first maxilliped; i. male first and second

pleopods, with apex of latter further enlarged.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 183

2-segmented, inner face hollowed to accommodate narrow tapering second

pleopod, apically bearing dense tuft of setae.

Material

SAM-A15301 SM 86 Holotype 1d CL+R 5,5 mm CB 4,8 mm

SAM-A15290 SM 43 Allotype | ovig. 2 6,0 x 5,2 mm

SAM-A15300 SM 86 Paratype 13 5,1 <x 4,4 mm

SAM-A15299 SM 16 Paratype 13 4,6 x 3,9 mm.

Remarks

The lack of pereiopodal epipods, the pereiopods lacking ridges or knobs,

the tridentate front, and the fifth pereiopod being slightly longer than the fourth

places this species in the genus Pseudodromia. Gordon (1950) in a description

of P. murrayi Gordon has dealt thoroughly with the characteristics of the four

species of this genus. P. spinosissima would seem to fit well into the group of

two species possessing a tridentate front, viz. P. rotunda (McLeay) and P. /atens

Stimpson, especially in the possession of a distal lobe on the second antennal

peduncle segment, a sternal boss on which the sternal furrows end in the female,

and in the close resemblance of the first and second pleopods of the first and

second pleopods of the male. A feature only reported for P. murrayi and present

in this species is the projecting vas deferens from the coxa of the fifth pereiopods

in the male.

As the specific name implies, the species is extremely spinose, which

immediately separates it from the other species.

Family Majidae

Platymaia turbynei Stebbing

Fig. 16

Platymaia turbynei Stebbing, 1902: 3, pl. 5; 1920: 232; 1924: 1, pl. 10. Barnard, 1950: 31,

816, fig. 6a—c. Dell, 1963: 251. Griffin, 1974: 27.

Previous records

Off Durban, off Delagoa Bay, southern Mocambique Channel.

Material

See Species List, page 162.

Remarks

From the material now available, five size groups can be distinguished

on the basis of carapace length, viz. 9-11 mm, 13-16 mm, 21—23 mm, 31-36 mm,

and 42-47 mm for both sexes. Ovigerous females range from 44-47 mm.

184 ANNALS OF THE SOUTH AFRICAN MUSEUM

Fig. 16. Platymaia turbynei.

a—b. Dorsal and ventral view, ovigerous female; c—d. dorsal and ventral view, adult male.

THE SOUTH AFRICAN MUSEUM’S MEIRING NAUDE CRUISES 185

Rochinia natalensis sp. nov.

Fig. 17

Description

Female. Entire integument of carapace, chelipeds and ambulatory legs

covered with close-packed vesicles. Carapace pyriform, rostrum two elongate

diverging ‘horns’; carapace carrying 16 major conical spines: four median

spines (two gastric, one cardiac, one intestinal), paired marginal supra-ocular

spines, paired marginal hepatic spines, paired protogastric spines, three pairs

Fig. 17. Rochinia natalensis.

a. Holotype; b. antero-ventral portion of cephalothorax; c. chela; d. integumental vesicles;

e. male abdomen.

186 ANNALS OF THE SOUTH AFRICAN MUSEUM

mesobranchial spines (largest pair marginal) (see Griffin 1966: 22 for termi-

nology). In addition three pairs small tubercles in lateral epibranchial area.

Post-orbital process hollowed. Pterygostomian carrying four small tubercles.

Basal antennal segment with outer distal angle almost spinose.

Chelipeds equal, finger and thumb shorter than palm, curved, cutting edges

serrate; merus with disto-dorsal acute tubercle, two small dorsal tubercles

proximally, two small widely-separated ventral tubercles.

First pair of ambulatory legs longer than chelipeds or following legs; all

legs with short acute tubercle at distal end of meri. Abdomen 7-segmented,

globose between pereional bases.

Male (immature). Essentially similar to female. Abdomen 7-segmented,

third segment widest, terminal segment rounded.

Material

SAM-A15323 SM 43 Holotype | ovig. 2 CL 16,0 mm

SAM-A15324 SM 23 Paratype 1¢ CL 8,0 mm.

Remarks

R. natalensis belongs to the ‘histrix’ group of species, possessing four

median carapace spines (Yaldwyn & Dawson 1976: 100). This group comprises

eight species, six of which differ markedly from the Natal specimens either in

the shape and/or the disposition of the carapace spines. Two species, however,

show similarities to R. natalensis, but neither agrees completely.

R. tanneri (Smith) known from Massachusetts to Florida, has a very

similar disposition of carapace spines, but lacks the group of three small spines

in the branchial region, neither does it possess the dense carpet of vesicles over

the entire integument. Further, the basal antennal segment carries a single

spine, while the antenna is unarmed in R. natalensis. (See Rathbun 1925,

pli227:)

R. yvesicularis (Rathbun) known from the Galapagos Islands, does have

an integumental covering of vesicles, but differs in the disposition of the carapace

spines (see Rathbun 1925, pl. 230) and in the possession of two spines on the

basal antennal segment, and a spine on the cheliped carpus.

Family Portunidae

Charybdis smithii McLeay

Gonioneptunus smithii: Barnard, 1950: 163, fig. 31).

Charybdis smithii: Stephenson & Rees, 1967: 285. Crosnier & Thomassin, 1974: 1109, fig. 7.

Previous records

Almost entire Indian Ocean.

THE SOUTH AFRICAN MUSEUM’S MEIJRING NAUDE CRUISES 187

Material

SAM-A15325 SM5 13 CL 25,4 mm CB 36,5 mm

SAM-A15326 SM45 13 25,1 x 36,0 mm

12 30,0 x 42,4 mm

19 31,4 x 45,0 mm.

Remarks

This species was originally recorded from the ‘Cape of Good Hope’, almost

certainly this was from off the east coast, possibly off Natal.

ACKNOWLEDGEMENTS

In addition to the people and institutions thanked in the introductory

paper of this series, I should like to thank Mr S. X. Kannemeyer of the South

African Museum for the photographs, Dr R. B. Manning of the Smithsonian

Institution for the loan of Uroptychus material, and Dr A. Crosnier of the

Paris Museum for the loan of Charybdis material. I am very grateful to

Dr E. A. Chace Jr. of the Smithsonian Institution, and Prof. J. H. Day of

the University of Cape Town for reading the MS. and for their many useful

criticisms.

REFERENCES

Atcock, A. 1894. Natural history notes from H.M. Indian Marine Survey Steamer ‘Investi-

gator’. Series 2, no. 1, On the results of deep-sea dredging during the season 1890-91.

Ann. Mag. nat. Hist. (6) 13: 321-334.

Atcock, A. 1895. Illustrations of the zoology of the H.M. Indian Marine surveying steamer

Investigator, Calcutta. Ill Zool. ‘Investigator’ (3).

Atcock, A. 1901. A descriptive catalogue of the Indian Deep-Sea Crustacea Decapoda Macrura

and Anomala in the Indian Museum. Calcutta: Trustees of the Indian Museum.

Atcock, A. 1905. Catalogue of the Indian Decapod Crustacea in the collection of the Indian

Museum. Part II, Anomura. Calcutta: Trustees of the Indian Museum.

ARNAUD, P. M. 1971. Lithodes murrayi Henderson, 1888 (Crustacea, Decapoda, Anomura)

dans les eaux cétiéres des iles Crozet (SW de l’Océan Indien). Tethys 3: 167-172.

BABA, K. 1973. Remarkable species of the Chirostylidae (Crustacea, Anomura) of Japanese

waters. Mem. Fac. Ed. Kumamoto Univ. 22: 117-124.

BARNARD, K. H. 1950. Descriptive catalogue of South African Decapod Crustacea (Crabs

and Shrimps). Ann. S. Afr. Mus. 38: 1-837.

BENNETT, E. W. 1932. Porcellanids and Porcellanopagurus from New Zealand. Rec. Canterbury

Mus. 3: 469-481.

CHACcE, F. A. 1942. Reports on the scientific results of the Atlantis expeditions to the West

Indies, under the joint auspices of the University of Havana and Harvard University.

The Anomuran Crustacea. I. Galatheidea. Torreia 2: 1-106.

CROSNIER, A. & THOMASSIN, B. 1974. Sur des crabes de la famille des Portunidae (Crustacea

Decapoda) nouveaux pour Madagascar ou rares. Bull. Mus. natn. Hist. nat., Paris (3)

241: 1097-1118.

DELL, R. K. 1963. Some deep-water crabs (Crustacea, Brachyura) from New Zealand. Rec.

Dominion Mus. 4: 243-253.

DoF LeIN, F. 1904. Brachyura. Wiss. Ergebn. dt. Tiefsee-Exped. ‘Valdivia’ 6: 1-314.

Epwarps, A. M. 1880. Reports on the results of dredging by the United States Coast Survey

Steamer ‘Blake’ VIII. Etudes préliminaires sur les Crustacés Bull Mus comp. Zool.

Hary. 8: 1-68.

188 ANNALS OF THE SOUTH AFRICAN MUSEUM

Epwarps, A. M. & Bouvier, E.-L. 1894. Considérations générales sur la famille des Gala-

théides. Annis. Sci. nat. (zool.) 16: 191-327.

Faxon, W. 1895. Reports on an exploration of the west coasts of Mexico, central and South

America, and off the Galapagos Islands, in charge of Alexander Agassiz, by the U.S.

Fish Commission steamer ‘Albatross’ during 1891, Lieut. Commander Z. L. Tanner,

U.N.S. commanding. The stalk-eyed Crustacea. Mem. Mus. comp: Zool. Hary. 18: 1-292.

Gorpon, I. 1950. Crustacea: Dromiacea. Part I. Systematic account of the Dromiacea collected

by the ‘John Murray’ Expedition Part II. The morphology of the spermatheca in certain

Dromiacea. Scient. Rep. John Murray Exped. 9: 201-253.

GriFFIN, D. J. G. 1966. The marine fauna of New Zealand: Spider Crabs, Family Majidae

(Crustacea, Brachyura). Mem. N.Z. oceanogr. Inst. 35: 9-112.

GRIFFIN, D. J. G. 1974. Spider crabs (Crustacea: Brachyura: Majidae) from the International

Indian Ocean Expedition, 1963-1964 Smithson. Contr. Zool. 182: 1-35.

Hate, H. M. 1941. Decapod Crustacea. Rep. B.A.N.Z. antarct. Res. Exped. (B) 4: 259-285.

HENDERSON, J. R. 1888. Report on the Anomura collected by H.M.S. Challenger during the

years 1873-1876. Rep. Voy. Challenger 27: 1-221.

Lenz, H. 1902. Die Crustaceen der Sammlung Plate. (Decapoda und Stomatopoda) Fauna

Chilensis 2: 731-772. (Supplement to Zool. Jb.)

Louw, A. E. 1977. The South African Museum’s Meiring Naude cruises. Part 1. Station

data 1975, 1976. Ann. S. Afr. Mus. 72: 147-159.

MacGiicureist, A. C. 1905. Natural history notes from the R.I.M.S. ship ‘Investigator’

Capt T. H. Heming R.N. commanding. Series III no. 6, An account of the new and some

of the rarer Decapoda Crustacea obtained during the surveying season 1901-1904.

Ann. Mag. nat. Hist. (7) 15: 233-268.

RATHBUN, M. J. 1925. The spider crabs of America. Bull. U.S. natn. Mus. 129: 1-598.

STEBBING, T. R. R. 1902. South African Crustacea. Mar. Invest. S. Afr. 1: 14-66.

STEBBING, T. R. R. 1910. General catalogue of the South African Crustacea. Ann. S. Afr.

Mus. 6: 281-593.

STEBBING, T. R. R. 1920. South African Crustacea. Ann. S. Afr. Mus. 17: 231-272.

STEBBING, T. R. R. 1924. Crustacea of Natal. Rep. Fish. mar. biol. Surv. Un. S. Afr. 3: 1-16.

STEPHENSON, W. & Rees, M. 1967. Portunid crabs (Crustacea: Decapoda: Portunidae)

collected by the ‘Discovery’ in the Indian Ocean. J. nat. Hist. 1: 285-288.

Tirmizi, N. M. 1966. Crustacea: Galatheidae. Scient. Rep. John Murray Exped. 11: 169-234.

YALDwWyYN, J. C. & DAwson, E. W. 1976. First records of the crab genera Homola, Randallia

and Rochinia from New Zealand (Crustacea: Decapoda: Brachyura). Rec. Nat. Mus.

N.Z. 1: 91-103.

6. SYSTEMATIC papers must conform with the Jnternational code of zoological nomenclature

(particularly Articles 22 and 51).

Names of new taxa, combinations, synonyms, etc., when used for the first time, must be

followed by the appropriate Latin (not English) abbreviation, e.g. gen. noy., sp. nov., comb.

nov., syn. nov., etc.

An author’s name when cited must follow the name of the taxon without intervening

punctuation and not be abbreviated; if the year is added, a comma must separate author’s

name and year. The author’s name (and date, if cited) must be placed in parentheses if a

species or subspecies is transferred from its original genus. The name of a subsequent user of

a scientific name must be separated from the scientific name by a colon.

Synonymy arrangement should be according to chronology of names, i.e. all published

scientific names by which the species previously has been designated are listed in chronological

order, with all references to that name following in chronological order, e.g.:

Family Nuculanidae

Nuculana (Lembulus) bicuspidata (Gould, 1845)

Figs 14-15A

Nucula (Leda) bicuspidata Gould, 1845: 37.

Leda plicifera A. Adams, 1856: 50.

Laeda bicuspidata Hanley, 1859: 118, pl. 228 (fig. 73). Sowerby, 1871: pl. 2 (figs 8a—b).

Nucula largillierti Philippi, 1861: 87.

Leda bicuspidata: Nicklés, 1950: 163, fig. 301; 1955: 110. Barnard, 1964: 234, figs 8-9.

Note punctuation in the above example:

comma separates author’s name and year

semicolon separates more than one reference by the same author

full stop separates references by different authors

figures of plates are enclosed in parentheses to distinguish them from text-figures

dash, not comma, separates consecutive numbers

Synonymy arrangement according to chronology of bibliographic references, whereby

the year is placed in front of each entry, and the synonym repeated in full for each entry, is

not acceptable.

In describing new species, one specimen must be designated as the holotype; other speci-

mens mentioned in the original description are to be designated paratypes; additional material

not regarded as paratypes should be listed separately. The complete data (registration number,

depository, description of specimen, locality, collector, date) of the holotype and paratypes

must be recorded, e.g.:

Holotype

SAM-—A13535 in the South African Museum, Cape Town. Adult female from mid-tide region, King’s Beach,

Port Elizabeth (33°51’S 25°39’E), collected by A. Smith, 15 January 1973.

Note standard form of writing South African Museum registration numbers and date.

7. SPECIAL HOUSE RULES

Capital initial letters

(a) The Figures, Maps and Tables of the paper when referred toi n the text

e.g. *.. . the Figure depicting C. namacolus ...’; ‘. . . in C. namacolus (Fig. 10)...’

(b) The prefixes of prefixed surnames in all languages, when used in the text, if not preceded

by initials or full names

e.g. Du Toit but A.L.du Toit; Von Huene but F. von Huene

e.g. Therocephalia, but therocephalian

Punctuation should be loose, omitting all not strictly necessary

Reference to the author should be expressed in the third person

Roman numerals should be converted to arabic, except when forming part of the title of a

book or article, such as

‘Revision of the Crustacea. Part VIII. The Amphipoda.’

Specific name must not stand alone, but be preceded by the generic name or its abbreviation

to initial capital letter, provided the same generic name is used consecutively.

Name of new genus or species is not to be included in the title: it should be included in the

abstract, counter to Recommendation 23 of the Code, to meet the requirements of

Biological Abstracts.