Download PDF as one large file - AToL Decapoda

466 Family Calappidae
Genus Calappa Weber, 1795
Key to species
[Based on Williams, 1984, and Rathbun, 1937]
1. Orbits completely separated from antennular sockets (surface quite rough, covered
with rounded protuberances and granulate) C. angusta
Orbits not separated from antennular sockets. 2
2. (1) Carapace with prominent horizonlial tooth at each end of posterior margin (sharp
spine at angle of posterolateral wing and another at proximal end of manus)
C. sulcata
Carapace without spine at either end of posterior margin. .3
3. (2) Deep hollow between gastric and hepatic regions (posterior third of carapace covcrd
with short transverse granulated lines) C. gallus
No deep hollow between gastric and hepatic regions 4
4. (3) Darker part of color pattern on carapace in interlacing bands on anterior half,
becoming obliquely longitudinal stripes and fading somewhat on posterior half
C. flammea
Darker part of color pattern on anterior of carapace in becoming reticular in pattern
at midlength but fading posteriorly C. ocellata
Genus Hepatus Latreille, 1802
Key to species
[Adapted from Williams, 1984]
Carapace covered with large, usually discrete spots (spots may be interconnected or
form irregular, transverse stripes, proportionately small in juveniles); front
noticeably tuberculate and truncate H. epheliticus
Carapace covered with small spots often aligned in transverse rows; front slightly
tuberculate and obtusely bidentate H. pudibundus