Guiomys

Guiomys; Temporal range: Mid Miocene (Laventan); ~13.8–11.8 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Superfamily:	Cavioidea
Genus:	Guiomys; Pérez, 2010
Type species
	Guiomys unica; Pérez 2010
Species
	G. unica Pérez 2010 (type);

Guiomys is an extinct genus of cavioid rodent which lived in west central Patagonia of Argentina (Collón Curá Formation), Bolivia (Honda Group) and Peru (Yahuarango Formation) during the Middle Miocene (Laventan).[1][2] Guiomys is known from mandibular and maxillary fragments with molars, and isolated cheek teeth. It was first named by María E. Pérez in 2010 and the type species is Guiomys unica.[2]

References

Guiomys at Fossilworks.org
María E. Pérez (2010). "A new rodent (Cavioidea, Hystricognathi) from the middle Miocene of Patagonia, mandibular homologies, and the origin of the crown group Cavioidea sensu stricto". Journal of Vertebrate Paleontology. 30 (6): 1848–1859. doi:10.1080/02724634.2010.522432.

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