Pisidae, Dana, 1851

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 220

Key to species of family Pisidae

1. Body, pereopods flattened, legs with small lateral spines. Spine present on orbital margin between supraocular eave and postocular cup............................................................................ Herbstia parvifrons

– Body, pereopods not flattened, legs with or without spines. No spine on orbital margin between supraocular eave and postocular cup.............................................................................................. 2

2. Rostrum bifid for not more than half its length. Pereopods 2–5 with broad, flat segments................... Pelia tumida

– Rostrum bifid for more than half its length. Pereopods 2–5 with rounded segments................................. 3

3. Rostrum with slender horns. Continental shelf and slope......................................... Chorilia longipes

– Rostrum with broad horns. Intertidal to continental shelf....................................................... 4

4. Rostrum flat, horizontal; horns shaped like feathers of arrow...................................... Scyra acutifrons

– Rostrum deflexed; horns not shaped like feathers of arrow..................................................... 5

5. Carapace with many small spines; 2 spines on hepatic region. Front strongly deflexed. Adult male, female with few setae and without camouflaging material.......................................................... Loxorhynchusgrandis

– Carapace with large tubercles or raised areas; one spine on hepatic region. Front less strongly deflexed. Adult male, female setose, adult male usually with camouflaging material on rostrum only, female covered by material.... Loxorhynchus crispatus