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]

Guiomys
Temporal range: Mid Miocene (Laventan)
~13.8–11.8 Ma
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Genus: Guiomys
Pérez, 2010
Species:
G. unica
Binomial name
Guiomys unica
Pérez, 2010

References edit

  1. ^ Guiomys at Fossilworks.org
  2. ^ a b 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. hdl:11336/84154. S2CID 85794590.