Hymenodora gracilis Smith, 1886

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 44

Hymenodora gracilis Smith, 1886

( Fig. 10J–L)

Hymenodora gracilis Smith, 1886: 680 , pl. 12, fig. 6. — Chace 1940: 175, text fig. 46; 1986: 43, figs. 21 p–t. — Crosnier & Forest 1973: 83, fig. 25a. — Butler 1980: 69. — Hendrickx & Estrada-Navarrete 1989: 115; 1996: 119, fig. 73. — Wicksten 2002: 136.

Diagnosis. Similar to H. frontalis except exoskeleton soft, membranous. Rostrum slightly longer than eye, with 4 dorsal, no ventral teeth, apex acute. Carapace with groove running obliquely posteriorly from orbit, with hepatic, branchial branches. Blade, lateral tooth of scaphocerite same length. Telson with 3 pairs anterolateral spines. Total length about 50 mm.

Color in life. Bright scarlet to red.

Habitat and depth. Pelagic, 300–4730 m, maximum abundance at 1250–2000 m.

Range. Oregon to Baja California ; off Chile and sub-Antarctic waters of Pacific Ocean , Gulf of Mexico , Atlantic and Indian oceans. Type localitity off New Jersey to Maryland; 40 ˚ 26' 40" N, 67 ˚ 05' 15" W–37 ˚ 12' 20" N, 69 ˚ 36' 00" W .