In Depth Further Reading - The evolution of fossoriality and the adaptive role of horns in the Mylagaulidae (Mammalia: Rodentia), Samantha S. B. Hopkins - 2005. – A new species of Ceratogaulus from Nebraska and the evolution of nasal horns in Mylagaulidae (Mammalia, Rodentia, Aplodontioidea). – Journal of Systematic Palaeontology. – Jonathan J. M. Calede … Read more
In Depth Cachiyacuy is recognised as one of the earliest known occurrences of the Caviomorpha, a group of rodent mammals that is best known today for including chinchillas and guinea pigs. Another caviomorph from the same Formation as well as being named in the same year as Cachiyacuy is Canaanimys. Further Reading - Middle Eocene … Read more
In Depth Metaliomys is a genus of rodent that lived in the USA during the Late Miocene. Further Reading - Rodents and lagomorphs (Mammalia) from the Hemphillian (Late Miocene) of Utah. - Journal of Vertebrate Paleontology 30(1):226-235. - W. W. Korth & D. D. De Blieux - 2010.
In Depth The title of biggest known rodent often gets assigned to the related Phoberomys; however the discovery of a new skull of Josephoartigasia revealed that it was quite a bit larger. These estimates however have to be based upon comparing the size of the skull of Josephoartigasia to those of other known rodents with … Read more