- Source: Tumidocarcinus
Tumidocarcinus is an extinct genus of crabs in the family Tumidocarcinidae, containing the following species:
Tumidocarcinus dentatus
Tumidocarcinus foersteri
Tumidocarcinus giganteus
Tumidocarcinus tumidus
Tumidocarcinus victoriensis
It is a host of the parasitic Kentrogonida barnacles.
Fossil record
This genus is known in the fossil record from the Eocene to the Miocene epoch. Most species of Tumidocarcinus are known from New Zealand and Australia, however, T. foersteri is known from the La Meseta Formation from Seymour Island, Antarctica.