
Acanthopotamon (Kemp, 1918)
Family Potamidae (Ortmann, 1896)

Actaeodes (Dana, 1852)
Family Xanthidae (MacLeay, 1838)

Actumnus (Dana, 1851)
Family Pilumnidae (Samouelle, 1819)

Aratus (H. Milne Edwards, 1853)
Family Sesarmidae (Dana, 1851)

Geosesarma (De Man, 1892)
Family Sesarmidae (Dana, 1851)