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 Pinnixa minuscula Zmarzly, 1992 ( Fig. 58F–H ) Pinnixa minuscula Zmarzly, 1992: 697 , fig. 11. Diagnosis. Carapace oval, 1.7–2.0 times as wide as long, surface smooth, flat; anterolateral region smooth, without ridge, slight depression in gastric region.Ventrally directed edge of anterolateral region granulate, sometimes with long plumose setae. Chelae sexually dimorphic. Female, immature male with fingers about equal in length to palm, apices of fingers curving inward, apex of dactyl closing into toothed pocket on fixed finger. Dorsal margin of dactyl with 6–10 tubercles, sparsely setose. Inner margin of dactyl concave, with small serrations. Fixed finger robust, with small serrations. No gape when closed. Mature male with more robust chela, palm wider than in female, fingers relatively shorter. Pereopods 2–5 flattened, with long slender dactyls. Pereopod 4 most robust, its propodus with 4–6 sharp spines on ventral margin. Dactyl of pereopod 5 reaching distal end of carpus of pereopod 4. Carapace length about 2 mm . Color in life. Carapace somewhat translucent, internal organs visible within, otherwise orange brown ( Zmarzly 1992 ). Habitat and depth. Sandy substrates, 27–50 m . Symbiotic associations unknown. Range. Goleta , Santa Barbara County to San Diego , California . Type locality San Diego .