Laomenes amboinensis

Marin, Ivan, 2009, Crinoid-associated shrimps of the genus Laomenes A. H. Clark, 1919 (Caridea: Palaemonidae: Pontoniinae): new species and probable diversity, Zootaxa 1971, pp. 1-49 : 3

“ Laomenes amboinensis ” species group

Species of this group are characterized by the presence of a long, compressed, straight rostrum with a well-developed dorsal carina bearing 5–7 teeth along the whole length and a convex ventral rostral carina, distally bearing 1 or 2 teeth. Eyestalk stout, cornea subovate with small blunt apical papilla. Epistomial horns sharp and triangular. Lower lacinia of maxillule tapering distally. Pereiopod I with well developed tuft of simple setae at carpo-meral articulation. Pereiopod III with carpus produced distodorsally and overhanging carpopropodal articulation ( Fig. 4 G); propodus with distoventral spines, sometimes very small; dactylus robust or slender, with long, slender, curved unguis; accessory tooth small, turned down or forward. Exopod of uropod with fixed distolateral tooth and mobile spine.

Species included. Laomenes amboinensis ( De Man, 1888) , L. cornutus ( Borradaile, 1915) , L. clarki sp. nov., L. pardus sp. nov.

Figures

FIGURE 4. Laomenes amboinensis (De Man, 1888), ovigerous female. A, pereiopod I. B, pereiopod II. C, D, same, carpus. E, same, fingers. F, pereiopod III. G, same, carpo-propodal articulation. H, same, dactylus. I, telson. J, distal margin of telson. Scale 1 mm.