Download PDF as one large file - AToL Decapoda

612 Family Xanthidae
5. (4) Major palm with outer surface rough all over or nearly so (hairy covering short;
long tubular hairs interspersed, numerous on legs and chelipeds giving them a
ragged appearance; red bead tubercles showing on carapace, chelipeds, and legs)....
P. gemmatus
Major palm partly smooth and bare on outer surface 6
6. (5) Hair on carapace not covering whole carapace or not forming coat thick enough to
conceal surface beneath 7
Hair covering whole carapace and forming thick coat concealing surface beneath... 9
7. (6) Two or more superhepatic spines; all long spines black or dark colored .... P. sayi
No superhepatic spines 8
8. (7) Major palm smooth on larger part of outer surface P. dasypodus
Major palm rough on larger part of outer surface (front lobes shallow; margins of
carapace long spined) P. caribaeus
9. (6) Chelipeds spinous above; transverse row of long hairs across front. P. floridanus
Chelipeds not spinous above; carapace tuberculate 10
10. (9) Felt-like covering of carapace forming well defined areoles, deeply separated from
one another; half or less than half of outer surface of major palm bare and smooth ...
..P. holosericus
Felt-like covering of carapace not forming well defined, deeply separated areolets. 11
11. (10) Anterior half of carapace and upper surface of chelipeds dotted with bead-like
tubercles; upper margin of orbit furnished with truncate spines P. pannosus
Tubercles of carapace not numerous or prominent; upper margin of orbit not
spinous P. lacteus