†Thelysia Gingerich 1982 (placental mammal)
Mammalia - Theriiformes - Pantolestidae
Full reference: P. D. Gingerich. 1982. Contributions from the Museum of Paleontology, University of Michigan 26(3)
Parent taxon: Pantolestidae according to P. D. Gingerich 1982
Sister taxa: Androconus, Bessoecetor, Bogdia, Buxolestes, Chadronia, Cryptopithecus, Cymaprimadon, Fordonia, Niphredil, Pagonomus, Palaeosinopa, Pantolestes, Pantolestinae, Pantomimus
Subtaxa: Thelysia artemia
Type: Thelysia artemia
Ecology: amphibious piscivore-durophage