Download PDF as one large file - AToL Decapoda

Family Miijidue
Genus Pyromaia Stimpson, 1871
Key to species
[Adapted from Rathbun, 1925]
Rostrum tapering regularly to tip; chelipeds and walking legs covered with short,
soft pubescence; no spines at proximal ends of meri of walking legs .
P. cuspidata
Rostrum triangular at base, then narrowing to slender spine; chelipeds and walking
legs not noticeably pubescent; erect spine at proximal end of merus of each
walking leg; short fringe of hair on each side of dactyli P. arachna
Genus Rochinia A. Milne Edwards, 1875
Key to species
I Adapted from Rathbun, 19251
Median spines six; gastric spines six; two spines on basal antennal segments
............. R. crass a
Median spines or tubercles fewer than six; gastric spines or tubercles fewer than
six 2
Spines of carapace and rostrum long and slender; spine at angle of buccal cavity....
........... R. hystrix
Spines or tubercles of carapace short or of moderate length; no spine at angle of
buccal cavity ..,3
Dorsal tubercles mostly large and flat-topped R. umbonala
Dorsal tubercles or spines acute, not large and flat-topped. R. tanneri