Pinnixa hiatus Rathbun, 1917

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 252

Pinnixa hiatus Rathbun, 1917

( Fig. 58A, B)

Pinnixa hiatus Rathbun, 1917: 164 , pl. 36, figs. 1–4, text fig. 102. — Schmitt 1921: 265, pl. 43, figs. 1–4. — Schmitt et al. 1973: 111. — Zmarzly 1992: 690, fig. 8.

Diagnosis. Carapace about twice as wide as long, anterolateral margin without definite angle, marked by raised and granulate ridge up to hepatic region; posterior margin long, straight; front advanced, widely emarginate. Surface smooth, sparingly punctate, groove behind gastric region. Subhepatic region prominent. Chelae robust. Palm suboblong, upper margin convex, lower margin of palm, fixed finger with granulate ridge on distal half just above lower edge. Dactyl curved, with ridge and tooth near middle. Fixed finger shorter than dactyl, curving up toward it, having large tooth; in male, finger deeply excavate at distal apex, forming notch into which apex of dactylus can insert. Fingers gaping when closed. Anterior edge of merus, posterior of propodus of pereopods 2–5 finely serrate, posterior edge of merus coarsely granulate, dactyls elongate, slender. Pereopod 2 most slender. Posterior margin of pereopod 3, both margins of pereopod 5 fringed with setae. Female carapace length 3.6 mm.

Color in life. Not reported.

Habitat and depth. In green sand or mud, 27–100 m. Symbiotic associations unknown.

Range. Goleta, Santa Barbara County to San Diego and offshore islands, California . Type locality off Santa Catalina I. , California .