Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371 Author Wicksten, Mary K. text Zootaxa 2012 2012-07-04 3371 1 307 journal article 1175­5334 Bathystylodactylus echinus Wicksten & Martin, 2004 ( Fig. 11F ) Bathystylodactylus echinus Wicksten & Martin, 2004: 377 , figs. 1–5. Diagnosis. Rostrum nearly straight, its length nearly twice length of carapace or more, with 23–27 dorsal, 18–25 ventral spines; series of 7–9 minute spinules on carapace just posterior to rostrum proper. Carapace, abdomen with small spinules along dorsal, lateral surfaces. Stylocerite slender, not reaching middle of first segment of antennular peduncle. Basicerite bearing strong lateral tooth. Scaphocerite covered by minute spinules, reaching second segment of antennular peduncle. Third maxilliped setose, with arthropod but without exopod. Pereopods all lacking exopods or epipods. Pereopods 1, 2 chelate, similar in size, shape. Fingers of chelae elongated, without teeth, with long setae, shorter spine-like setae along cutting edges. Pereopods 3–5 elongated with few scattered setae. Abdominal somite 3 weakly carinate dorsally, pleura of somites 4, 5 with sharp posteroventral tooth. Telson with 11–13 pairs dorsolateral spines located on weak ridges. Carapace length to 41.4 mm. Color in life . Not reported. Preserved specimens dirty chalk white with brown silt caught on setae, spinules. Habitat and depth. Abyssal plains, 3427–3689 m . Range. Patton Escarpment off California to basin off Magdalena Bay , Baja California , Mexico . Type locality basin off Magdalena Bay (24 ˚ 35' N, 113 ˚ 25' W) .