Pinnixa barnharti Rathbun, 1917

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 249

Pinnixa barnharti Rathbun, 1917

( Fig. 57E)

Pinnixa barnharti Rathbun, 1917: 149 , fig. 91, pl. 32, text fig. 91. — Schmitt 1921: 261, pl. 41 — Schmitt et al. 1973: 103. — Garth & Abbott 1980: 614, fig. 25.34. — Ricketts et al. 1985: 338. — Zmarzly 1992: 679, figs. 2, 3. — Jensen 1995: 31. — Campos-Gonzalez 2007: 644, pl 322 A.

Diagnosis. Carapace hexagonal, calcified, convex, anterolateral margin with line of fine granules, surface coarsely pubescent towards sides, furrow behind gastric region shallow, 3 deep pits on each side anteriorly, posterior margin concave. Lobes of front prominent, arcuate. Orbits broadly oval. Length of antenna as long as width of front, one orbit. Chelipeds large, merus setose above, chelae dilated toward fingers, sinus in lower margin near base of subhorizontal fixed finger, apex obliquely truncate, lower corner armed with short, sharp tooth, dactyl oblique, making gape with fixed finger, strong tooth in middle of dactyl, fringe of setae above, patch of setae in gape. Pereopods 2– 5 thick, merus setose, propodus tapering, dactyl short, relatively straight. Pereopod 2 nearly as long as pereopod 3, pereopod 4 longest, propodus of pereopods 4, 5 setose below, carpus, propodus of pereopod 5 setose above. Carapace length to 10.7 mm.

Color in life. Creamy to brownish with brown mottling. The color ntoes are from a crab from Abalone Cove, Palos Verdes Peninsula, Los Angeles County, California.

Habitat and depth. Bays, sandy areas, living in cloacae of holothuroids, especially Caudina spp. , low intertidal to subtidal zones.

Range. Puget Sound ; Venice , California to Ballenas Bay , Baja California; Zihuatanejo, Guerrero, Mexico. Type locality Venice, California. Most recent records come from southern California .