Tumidocarcinus

Tumidocarcinus is an extinct genus of large crabs in the family Tumidocarcinidae, containing the following species:^[1]

• Tumidocarcinus dentatus
• Tumidocarcinus foersteri
• Tumidocarcinus giganteus
• Tumidocarcinus tumidus
• Tumidocarcinus victoriensis

Tumidocarcinus Temporal range: Eocene–Miocene PreꞒ Ꞓ O S D C P T J K Pg N
Tumidocarcinus giganteus fossil
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Brachyura
Family:	†Tumidocarcinidae
Genus:	†Tumidocarcinus (*Glaessner, 1960)

It is a host of the parasitic Kentrogonida barnacles.^[2]

Fossil record

This genus is known in the fossil record from the Eocene to the Miocene epoch.^[1] 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.^[3]