Chelarctus, Holthuis, 2002

Holthuis, Lipke B., 2002, The Indo-Pacific scyllarine lobsters (Crustacea, Decapoda, Scyllaridae), Zoosystema 24 (3), pp. 499-683 : 571

Genus Chelarctus n. gen.

TYPE SPECIES. — Arctus cultrifer Ortmann, 1897 by present designation.

OTHER SPECIES. — Chelarctus aureus ( Holthuis, 1963) n. comb.; C. crosnieri n. sp.

ETYMOLOGY. — From chela (Latin), scissors, and Arctus De Haan, 1849 , a junior synonym of Scyllarus Fabricius, 1775 ; in reference to the remarkable subchelalike shape of the P.3.

DIAGNOSIS. — Midline of carapace with distinct rostral and gastric teeth, the cardiac tooth replaced by two low tubercles; pregastric tooth absent. Abdomen without median carinae, with distinct arborescent markings and a median lobulated figure. Fourth antennal segment with a single oblique carina, no additional carinae or tubercles on the upper surface. The middle of the anterior margin of the sternum anteriorly produced, reaching beyond the anterolateral teeth. Propodus of the P.3 strongly compressed, antero ventral angle produced as a tooth, that makes a kind of subchela with the dactylus. Dactyli smooth without hairy fringes.