Platyxanthus is a genus of crabs in the family Platyxanthidae, containing the following species:
-
Platyxanthus balboai Garth, 1940
-
Platyxanthus crenulatus A. Milne-Edwards, 1879
-
Platyxanthus orbignyi (H. Milne Edwards & Lucas, 1843)
-
Platyxanthus patagonicus A. Milne-Edwards, 1879