Dana, 1851
Zoea [Chasmagnathus granulata 1]
¥ Number of stages in the zoeal phase: 4(5).
¥ Morphological characters of first zoea [Table 9 First zoeae of Grapsidae]:
Antennal endopod half the length of antennal protopod.
Carapace with lateral spines.
Maxilla (mx2) endopod setation: 2, 2.
First maxilliped (mxp1) basipod setation: 2, 2, 2, 2.
First maxilliped (mxp1) endopod setation: 1, 2, 1, 2, 5.
Megalopa [Chasmagnathus granulata]
¥ Number of stages in the megalopal phase: 1.
¥ Morphological characters of megalopa [Table 19 Mgp Pinnotheridae Grapsidae Gecarcinidae Ocypodidae]:
Rostrum absent.
Carapace smooth.
Maxillule (mx1) endopod setation: 5.
Maxilla (mx2) endopod setation: 0.
First maxilliped (mxp1) epipod setation: 7.
Third maxilliped (mxp3) epipod setation: 16.
Larval stages described by Boschi et al., 1967.
Geographical distribution of adult
Occidental Atlantic: Brazil (Rio de Janeiro to Rio Grande do Sul), Uruguay and Argentina.
Depth range of adult
Salt marshes and mangrove.