Family Thiidae Dana 1852 (crab)
PaleoDB taxon number: 225076
Parent taxon: Portunoidea according to C. E. Schweitzer et al. 2010
Sister taxa: Carcineretidae, Carcinidae, Catoptridae, Geryonidae, Icriocarcinidae, Lithophylacidae, Longusorbiidae, Macropipidae, Ovalipidae, Pirimelidae, Portunidae, Psammocarcinidae
Subtaxa: Thia
Ecology: carnivore