Pasiphaeidae, Dana, 1852

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 34-35

Key to species of family Pasiphaeidae

1. Rostrum in form of postfrontal or epigastric tooth, carapace with branchiostegal tooth............................... 2

– Rostrum arising from frontal margin of carapace, carapace without branchiostegal tooth............................. 8

2. Carapace with middorsal carina not reaching posterior half....................................... Pasiphaea affinis

– Carapace with middorsal carina extending at least to posterior 0.66 of carapace.................................... 3

3. Telson truncate, not forked or notched..................................................................... 4

– Telson forked or notched................................................................................ 5

4. Abdominal somites 2–5 with dorsal carina.................................................... Pasiphaea magna

– Abdominal somites 2–5 without dorsal carina.................................................. Pasiphaea chacei

5. Branchiostegal tooth over angle of anterolateral sinus, not on or near anterior margin of carapace....... Pasiphaea pacifica

– Branchiostegal tooth near or on anterior margin of carapace and extending beyond it................................ 6

6. Knob-like projection anterior to postfrontal tooth of carapace.................................. Pasiphaea emarginata

– No knob-like projection anterior to postfrontal tooth of carapace................................................ 7 7. Dorsal and ventral margins of carapace convex, postfrontal tooth horizontal........................... Pasiphaea tarda

– Dorsal and ventral margins of carapace straight and angled, postfrontal tooth almost vertical......... Pasiphaea corteziana

8. Carapace with small teeth along entire dorsal midline.......................................... Eupasiphae serrata

– Carapace without small teeth along entire dorsal midline...................................................... 9

9. Dorsal carina of carapace with at most 1 or 2 teeth, fingers of second chela distinctly longer than palm..................................................................................................... Parapasiphae cristata

– Dorsal carina of carapace without teeth, fingers of second chela not longer than palm............ Parapasiphae sulcatifrons