''Tetracus'' is an extinct genus of gymnures. Species are from the Oligocene of Belgium and France. Fossils can also be found in the

Bouldnor Formation The Bouldnor Formation is a geological formation in the Hampshire Basin of southern England. It is the youngest formation of the Solent Group and was deposited during the uppermost Eocene and lower Oligocene. Stratotype and occurrence The Bo ...

in the Hampshire Basin of southern England. Species: * †''Tetracus nanus'' (Aymard, 1846) ** synonym ''

Erinaceus ''Erinaceus'' is a genus of hedgehog from the family of Erinaceidae. There are four main species of ''Erinaceus''. The range is all across Europe, throughout the Middle East, parts of Russia, and extending to northern China and Korea. The Europ ...

nanus'' Aymard, 1846 ** synonym ''Camphotherium elegans'' Filhol, 1883, Filhol, 1884Observations relatives au Mémoire de M. Cope, intitulé: Relations des Horizons renfermant des débris d'Animaux vertébrés fossiles en Europe et en Amérique. H Filhol, 1884 ** synonym ''Comphotherium elegans'' Filhol, 1884, Filhol 1885 ** synonym ''

Gomphotherium ''Gomphotherium'' (; "welded beast") is an extinct genus of proboscids from the Neogene and early Pleistocene of Eurasia, Africa, North America and Asia. As of 2021, two species, ''G. annectens'' and possibly ''G. subtapiroideum'', are also k ...

elegans'' Filhol, 1884 in Schlosser, 1887, p. 140 and 465 and in Lavocat, 1951, p. 14 ** synonym ''

Neurogymnurus ''Neurogymnurus'' is an extinct genus of gymnures. Species are from the Miocene of Turkey and the Oligocene of the Czech Republic, France, Kazakhstan and Turkey. ; Species * †''Neurogymnurus cayluxi'' Filhol 1877 ** synonym †''Cayluxotheriu ...

minor'' Filhol, 1884 ** synonym ''Necrogymnurus minor'' in Lavocat, 1951, p. 13 ** synonym ''Tetracus bouti'' Lavocat, 1951, dans Lavocat, 1951.

References

External links

* Prehistoric placental genera Erinaceidae {{paleo-eulipotyphla-stub