Orcovita Ng & Tomascik, 1994

Stasolla, Gianluca & Innocenti, Gianna, 2014, A new species of cavernicolous crab from Coron Island, Palawan, the Philippines (Decapoda: Brachyura: Varunidae), Raffles Bulletin Of Zoology 62, pp. 591-599 : 592

Orcovita Ng & Tomascik, 1994

Paratype – female, (15.8 × 12.2 mm) ( ZRC 1996.112 ), Philippine , Coron Island , Raft Cave, Station 85-86, coll. T. M. Iliffe ; 28 March 1985.

Description. Carapace ( Figs. 3A , 4A ) subrectangular, distinctly broader than long (width/length ratio ca. 1.4), dorsal surface finely punctate; cervical grooves indistinct; gastric grooves deep with rounded concavity each laterally (<1 mm); epigastric cristae poorly defined, postorbital cristae absent; anterolateral margin lined with small and feeble granules; not clearly distinct from posterolateral margin in the left side of the carapace; external orbital angle broad, with one broad, epibranchial tooth ( Fig. 4C ), separated from external orbital angle by narrow V-shaped cleft; posterolateral margin concave converging towards the almost straight posterior carapace margin; supraorbital margin clearly granulated, gently sinuous, parallel to sub-parallel with frontal margin; frontal margin sinuous; infraorbital margin feebly granulated, incomplete, not congruent with anterolateral margin; distinct Diagnosis. (Modified from Ng & Tomascik, 1994) Carapace subrectangular, distinctly broader than long (width ca. 1.4 times length); dorsal surface relatively smooth; regions poorly defined; epigastric cristae low; postorbital cristae not discernible. External orbital angle very broad, with one low epibranchial tooth; frontal median triangle present, formed by 3 granular ridges. Third maxilliped with very broad, stout exopod, as wide or slightly wider than ischium; anteroexternal angle of merus strongly auriculiform. Chelipeds relatively long, pulvinus with setose base sometimes present at base of fingers of both male chelae, tip of fingers occasionally have short, dense setae. Ambulatory legs subcylindrical in cross-section, articles long and slender. Telson of male short, ca. 1.4 times length of segment 6. G1 relatively short, stout, tip truncate from lateral view.

Figures

Fig. 3. Orcovita angulata, male (16.2 × 11.7 mm) (MZUF 4268).

Fig. 4. Orcovita angulata, male (16.2 × 11.7 mm) (MZUF 4268); A, carapace; B, abdomen; C, epibranchial region; D, dorsal view of right cheliped; E, dorsal view of carpus of cheliped; F, third maxilliped; G, right third ambulatory leg; H, right fourth ambulatory leg; I,