Eduarctus, Holthuis, 2002

Holthuis, Lipke B., 2002, The Indo-Pacific scyllarine lobsters (Crustacea, Decapoda, Scyllaridae), Zoosystema 24 (3), pp. 499-683 : 586

Genus Eduarctus n. gen.

TYPE SPECIES. — Scyllarus martensii Pfeffer, 1881 by present designation.

OTHER SPECIES. — Eduarctus aesopius ( Holthuis, 1960) n. comb., E. lewinsohni ( Holthuis, 1967) n. comb., E. marginatus n. sp., E. modestus ( Holthuis, 1960) n. comb., E. perspicillatus n. sp., E. pyrrhonotus n. sp. and E. reticulatus n. sp.

ETYMOLOGY. — A combination of part of the name Eduard, the first name of Eduard von Martens, for whom the type species was named, and the generic name Arctus De Haan, 1849 . Gender masculine.

DIAGNOSIS. — The rostrum is short and rounded, constricted at the base. Carapace with pregastric, gastric and cardiac teeth; rostral tooth present or absent. Dorsal surface of carapace with numerous squamiform tubercles.

Second, third and fourth abdominal somites with a median longitudinal carina, sometimes low, but often very high. First abdominal somite with a distinct transverse median groove, behind which short longitudinal grooves. Abdominal somites II to IV with an arborescent pattern of very narrow grooves which practically reach both the anterior and posterior margins of the somites. Pleura of the abdominal somites II to V bluntly rounded. Fourth antennal segment with an additional carina in the outer half outside of the oblique main carina; the additional carina composed of distinct tubercles. Anterior margin of thoracic sternum shallowly emarginate between the anterolateral teeth, with a short median incision, that is flanked by a pair of very small tubercles. Legs smooth, no hairs on the lower surface of the propodus of any of them.