Phoberomys pattersoni

Phoberomys pattersoni
Temporal range: Late Miocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Suborder: Hystricomorpha
Family: Dinomyidae
Genus: Phoberomys
Species: P. pattersoni
Binomial name
Phoberomys pattersoni
(Mones, 1980)
Synonyms

Dabbenea pattersoni Mones, 1980

Phoberomys pattersoni is an extinct rodent that lived in the ancient Orinoco River delta around 8 million years ago. It was the second-largest of the roughly seven species of its genus. Like many other rodents, Phoberomys was a herbivore with high-crowned premolars and molars. An almost complete skeleton was discovered in Urumaco, Venezuela, in 2000. The new species was later classified with the name Phoberomys pattersoni in honor of palaeontologist Brian Patterson.[1] From the fossil, researchers have been able to reconstruct its size and probable lifestyle. It was 3 m (9.8 ft) long, with a tail at 1.5 m (4.9 ft), and probably weighed between 250 and 700 kg (550 and 1,540 lb)), making it for some years the largest known rodent for which good size and weight estimates were possible. Its congener Phoberomys insolita was a bit larger still, but it is not known from any reasonably complete remains, thus its size cannot be estimated more precisely.

In early 2008, the discovery of Josephoartigasia monesi was announced, which was even larger.

References

  1. Amos, Jonathan (September 18, 2003), "Giant rodent astonishes science", BBC News Online, retrieved 2008-03-18

Further reading

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