''Fredius'' is a genus of crabs in the family Pseudothelphusidae, containing the following species:
*''Fredius adpressus''
Rodríguez & Periera, 1992
*''Fredius beccarii''
(Coifmann, 1939)
*''Fredius chaffanjoni''
(Rathbun, 1905)
*''Fredius convexa''
(Rathbun, 1898)
*''Fredius denticulatus''
(H. Milne-Edwards, 1853)
*''Fredius estevisi''
(Rodríguez, 1966)
*''Fredius fittkaui''
(Bott, 1967)
*''Fredius granulatus''
Rodríguez & Campos, 1998
*''Fredius platyacanthus''
Rodríguez & Pereira, 1992
*''Fredius reflexifrons''
(Ortmann, 1897)
*''Fredius stenolobus''
Rodríguez & Suárez, 1994
*''Fredius ykaa''
Magalhães, 2009
References
Pseudothelphusidae
Taxa described in 1967
{{Pseudothelphusoidea-stub