Cerradomys andersoni

Taxobox|name="Cerradomys andersoni"
regnum=Animalia
phylum=Chordata
classis=Mammalia
ordo=Rodentia
familia=Cricetidae
genus="Cerradomys"
species="C. andersoni"
binomial="Cerradomys andersoni"
binomial_authority=(Brooks & Baker, 2004)
synonyms="Oryzomys andersoni" Brooks & Baker, 2004

"Cerradomys andersoni" is a species of oryzomyine rodent from the genus "Cerradomys". It is known only from a single specimen taken at Pozo Mario, Santa Cruz Department, southeastern Bolivia,Brooks et al., 2004, p. 3] and was described as a new species of "Oryzomys" in 2004. The discoverers, a team of researchers from both Texas Tech University and Bolivia, named it after eminent mammalogist Sydney Anderson in honor of his contributions to the study of Bolivian mammals.

According to the discoverers' molecular analysis of sequences from the cytochrome "b" gene, it clustered with the Flavescent Rice Rat ("Cerradomys subflavus", but at the time still "Oryzomys subflavus") and with five undescribed species of "Oryzomys"; it was most closely related to a sequence from Brazil designated as "O [ryzomys] ." sp. nov. 3". [Brooks et al., 2004, p. 7] The sequence was named as "AF181277" and was taken from GenBank. It apparently represents Lindbergh's Rice Rat ("Cerradomys scotti"). [ [http://www.ncbi.nlm.nih.gov/entrez/viewer.fcgi?db=nuccore&id=14189918 GenBank record] ] The sequence divergence between the single specimen of "C. andersoni" and AF181277 was 5.25%, [Brooks et al., 2004, table 2] which is sometimes considered enough for the recognition of separate species. "C. andersoni" has been placed in the synonymy of "C. scotti", but without any explicit justification. [Weksler et al., 2006, p. 8]

It has a white belly and a greybrown back with a black dorsal stripe. The only known specimen has head-body length 111 mm, tail length 122 mm, hindfoot length 30 mm, ear length 17 mm and weight 37 g. [Brooks et al., 2004, p. 4]

The type locality was in Cerrado habitat. Other mammals found in the vicinity of the type locality include the Gray Short-tailed Opossum ("Monodelphis domestica"), Long-tailed Spiny Rat ("Proechimys longicaudatus"), Southern Amazon Red Squirrel ("Sciurus spadiceus"), Spix's Yellow-toothed Cavy ("Galea spixii"), Central American Agouti ("Dasyprocta punctata"), Nine-banded Armadillo ("Dasypus novemcinctus"), Crab-eating Fox ("Cerdocyon thous"), Red Brocket ("Mazama americana"), and Brown Brocket ("Mazama gouazoupira"). [Brooks et al., 2004, p. 6]

Notes

References

*Brooks, D.M., Baker, R.J., Vargas M., R.J., Tarifa, T., Aranibar, H. & Rojas, J.M. 2004. A new species of "Oryzomys" (Rodentia: Muridae) from an isolated pocket of cerrado in eastern Bolivia. Occasional Papers, Museum of Texas Tech University 241:1-11.
*Weksler, M., Percequillo, A.R. & Voss, R.S. 2006. Ten new genera of oryzomyine rodents (Cricetidae: Sigmodontinae). American Museum Novitates 3537:1-29.