Summary of brachyuran crabs from the Southwest Atlantic Ocean and the number of species
with known larval development.
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Section Family Number of Number of Number of species
species genera with known larval
development
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DROMIACEA Dromiidae 4 3 4
Homolidae 2 2 1
Latreilliidae 2 1 1

OXYSTOMATA Dorippidae 4 2 1
Calappidae 12 5 2
Leucosiidae 20 9 2
Cyclodorippidae 8 4 0
Cymonomidae 4 2 0
Raninidae 5 3 0

OXYRHYNCHA Majidae 83 45 22
Parthenopidae 16 8 1
Hymenosomatidae 1 1 1

BRACHYRHYNCHA Atelecyclidae 1 1 1
Belliidae 4 3 3
Portunidae 24 9 12
Geryonidae 2 1 0
Xanthidae 54 26 26
Goneplacidae 18 13 0
Pinnotheridae 18 9 9
Grapsidae 24 15 18
Gecarcinidae 2 2 1
Ocypodidae 12 3 7
Palicidae 7 1 0
Cryptochiridae 2 2 1
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TOTAL 330 170 115
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