Onycocaris longirostris Bruce, 1980

Bruce, A. J., 2012, Onycocaris longirostris Bruce, 1980 (Crustacea: Decapoda: Pontoniinae), new to the Australian fauna, Zootaxa 3299 (1), pp. 61-65 : 61

Onycocaris longirostris Bruce, 1980 ( Figs 1 –4 )

Onycocaris longirostris Bruce, 1980 , Cahiers Indo-Pacifique, 2 (1): 15–25, figs. 6–10.

Material examined. . 1 ♂, 1 ovig. ♀, Western Australia, Woodside Kimberley Survey 2011, stn 89/K11, Irvine and Bathurst Islands , intertidal, mid-littoral reef platform, 16° 3' 19"S 123° 32' 47"E, coll. A. Hosie, 25 October 2011, WAM C48779 .

Diagnosis. A large Onycocaris species with well developed rostrum extending to distal end of antennular peduncle, dorsally carinate with 2-3 acute teeth on distal half; second pereiopods unequal in male, slightly dissimilar, with distolateral flange on minor chela only, and subequal, similar in female, both sexes with large acute preterminal distolateral tooth on merus.

Figures

FIGURE 1. Onycocaris longirostris Bruce, 1980, male, Irvine and Bathurst Islands, WAM C48779. A, major second pereiopod, medial. B, same, dorsal. C, chela. D, dactylus, tip. E, fixed finger, tip.

FIGURE 2. Onycocaris longirostris Bruce, 1980, male, Irvine and Bathurst Islands, WAM C48779. Minor second pereiopod. A, chela, lateral. B, same, fingers. C, same, dactylus, medial. D, same, distal fixed finger. E, same, distal fixed finger. F, same, proximal fixed finger. G, same, ventrolateral.

FIGURE 3. Onycocaris longirostris Bruce, 1980, female, Irvine and Bathurst Islands, WAM C48779. A, right second pereiopod chela, medial aspect. B, same, fingers, medial. C, same, lateral. D, dactyl, cutting edge, lateral. E, fixed finger, cutting edge, lateral. F, same, proximal cutting edge. G, fixed finger, distolateral flange.

FIGURE 4. Onycocaris longirostris Bruce, 1980, male, Irvine and Bathurst Islands, WAM C48779, photo by Andrew Hosie.