Download PDF as one large file - AToL Decapoda

Genus Persephona Leach, 1817
Key to species
| Adapted from I-elder, 1973 \
Family Leucosiidae 481
Carapace with several tubercles or enlarged granules on each side, one at widest
part of carapace, another less than halfway from there to hepatic protuberance, and
usually one on subhepatic protuberance (less obvious in females than in males);
coarse granules on lateral areas of carapace not arranged in single marginal line;
fresh specimens usually with carapace uniform blue-gray color P. crinita
Carapace without singularly enlarged granules or tubercles on sides, but with
distinct single line of coarse granules defining lateral margin; fresh specimens
usually with red blotches and patterns on cream-colored carapace
P. mediterranea
Genus Speloeophorus A. Milne Edwards, 1865
Key to species
[Adapted from Rathbun, 1937]
1. Deep cavity of carapace with only 2 openings, not visible dorsally; carapace
hexagonal S. nodosus
Deep cavity of carapace with 4 openings, visible dorsally; carapace octagonal 2
2. (1) Dorsal pair of openings small; carapace highest at anterior end of branchial
elevation S. pontifer
Dorsal pair of openings large; carapace highest near middle of branchial elevation,
narrower than in S. pontifer S. elevatus