†Proterix Matthew 1903 (hedgehog)
Mammalia - Lipotyphla - Erinaceidae
Parent taxon: Erinaceidae according to G. C. Gould 1995
Sister taxa: Amphechinus, Auroralestes, Brachyericinae, Cedrocherus, Dartonius, Dimylechinus, Entomolestes, Erinaceinae, Galericinae, Galerix, Hylomyinae, Lanthanotherium, Leipsanolestes, Litolestes, Neurogymnurus, Oncocherus, Palaeoscaptor, Parvericius, Stenoechinus, Tupaiodontinae, Untermannerix, Messelina
Subtaxa: Proterix bicuspis, Proterix loomisi
Type: Proterix loomisi
Ecology: semifossorial insectivore-carnivore