''Tarwinia'' is an extinct genus of

stem-group In phylogenetics, the crown group or crown assemblage is a collection of species composed of the living representatives of the collection, the most recent common ancestor of the collection, and all descendants of the most recent common ancestor. ...

flea Flea, the common name for the order Siphonaptera, includes 2,500 species of small flightless insects that live as external parasites of mammals and birds. Fleas live by ingesting the blood of their hosts. Adult fleas grow to about long, a ...

known from a single species, ''T. australis'', from the Early Cretaceous ( Aptian) Koonwarra Fossil Bed of

Victoria Victoria most commonly refers to: * Victoria (Australia), a state of the Commonwealth of Australia * Victoria, British Columbia, provincial capital of British Columbia, Canada * Victoria (mythology), Roman goddess of Victory * Victoria, Seychelle ...

, Australia, it is the only member of the family Tarwiniidae, and the only stem-group flea known from the Southern Hemisphere.

References

{{Taxonbar, from1=Q21315090, from2=Q21334053, from3=Q35082361 Prehistoric invertebrates of Australia Fleas Prehistoric insect genera Early Cretaceous insects