Pinnixa schmitti Rathbun, 1918

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 255-256

Pinnixa schmitti Rathbun, 1918

( Fig. 59A)

Pinnixa schmitti Rathbun, 1918: 162 , pl. 35, figs. 6,7, 9; text fig. 101. — Schmitt 1921: pl. 42, figs. 7–9, text fig. 157. — Schmitt et al. 1973: 120. — Garth & Abbott l980: 617. — Wicksten 1980c: 360.— Hart 1982: 244, fig. 102. — Ricketts et al. 1985: 387. — Zmarzly 1992: 702, figs. 13, 14. — Campos-Gonzalez 2007: 646, pl. 325 B3.

Diagnosis. Carapace 1.8–2.2 times wider than long, laterally truncate; with prominent ridge of small, tightly packed granules curving along dorsal surface ending at hepatic region. Numerous scattered granules along frontolateral parts of carapace. Perimeter of dorsal carapace pitted. Gastric region with transverse depression. Palm of chela swollen, upper, lower surfaces sinuous to slightly convex; outer, upper surfaces granulate in female, shiny, smooth in mature male. Apices of fingers of chela curving inward, without gape in female, with small gape in male. Inner margin of dactyl with small proximal tooth, fixed finger with several small teeth toward proximal end. Carpus of female cheliped scalloped. Pereopods 2–5 setose, with relatively long, slender dactyls. Rows of granules on merus of pereopods 2–5, also on carpus, propodus of pereopods 4, 5. Pereopod 4 longest, pereopod 5 reaching carpus of pereopod 4. Carapace length 5 mm.

Color in life. Not reported.

Habitat and depth. In sand, common in bays, symbiotic with echiuroids, holothuroids, polychaetes, callianassids, rarely ophiuroids; intertidal zone to 146 m

Range. Port Levasheff , Unalaska, Alaska to San Diego, California. Type locality San Francisco Bay , California .