Spongicola parvispinus Zarenkov, 1990

Saito, Tomomi & Komai, Tomoyuki, 2008, A review of species of the genera Spongicola de Haan, 1844 and Paraspongicola de Saint Laurent & Cleva, 1981 (Crustacea, Decapoda, Stenopodidea, Spongicolidae), Zoosystema 30 (1), pp. 87-147 : 118

Spongicola parvispinus Zarenkov, 1990

Spongicola parvispina Zarenkov, 1990: 218 . — Saito & Takeda 2003: 120.

TYPE MATERIAL. — Holotype: RV Prof. Stockman, stn 2034, Sala-y-Gomes ridges, southeastern Pacific , 470- 485 m, ovig. ♀ 9.0 mm. Not examined.

Paratypes: same data as holotype, 4 ♂♂, 7 ovig. ♀♀. Not examined.

MATERIAL EXAMINED. — None.

DISTRIBUTION. — Sala-y-Gomes ridges, 470-485 m ( Fig. 36 ; Table 6).

HOST. — Unknown.

DIAGNOSIS. — Derived from the original description of Zarenkov (1990). Rostrum armed with 3 or 4 teeth on dorsal margin, reaching midlength of antennal scale; ventral margin smooth. Carapace with postrostral submedian spine; hepatic spine present; 3 anterolateral spines forming single oblique row; branchial region smooth; cervical groove indistinct. Second pleonal somite without transverse carina; sixth somite lacking lateral spines. Telson broadly triangular, with 1 spine on each lateral margin; posterolateral angle not delimited, unarmed; posterior margin unarmed. Cornea well developed, darkly pigmented. Antennal scale moderately long, with 3 or 4 teeth on lateral margin. Third maxilliped with merus and ischium unarmed; exopod rudimentary. Third pereopod with row of teeth on dorsal and ventral margins of palm; carpus unarmed; merus with row of small denticles on ventromesial margin; ischium with large dorsodistal spine, and with row of small teeth on dorsal and ventral margins. Fourth and fifth pereopods with dactyli biunguiculate; carpi and propodi entire. Uropodal exopod serrated on lateral margin; endopod unarmed.

REMARKS

We have had no access to the type series of this species.No other specimen referable to S. parvispinus has been available for this study. Nevertheless, S. parvispinus is easily distinguished from all other congenerics by the smooth lateral margin of the uropodal endopod, and the absence of the posterolateral and posteromedian spines of the telson ( Zarenkov 1990).

Figures

FIG. 36. — Bathymetric ranges of species of the genera Spongicola de Haan, 1844 and Paraspongicola de Saint Laurent & Cleva, 1981.