Cricetidae
Author
Don E. Wilson
Author
Russell A. Mittermeier
Author
Thomas E. Lacher, Jr
text
2017
2017-11-30
Lynx Edicions
Barcelona
Handbook of the Mammals of the World – Volume 7 Rodents II
204
535
book chapter
80832
10.5281/zenodo.6707142
ab66b2b7-9544-4411-bf61-5bc3651d7bca
978-84-16728-04-6
6707142
478.
Marinho’s Rice Rat
Cerradomys marinhus
French:
Cerradomys des Marinho
/
German:
Marinho-Cerradomaus
/
Spanish:
Rata arrocera de Marinho
Other common names:
Marinho’s Cerradomys
,
Marinho's Oryzomys
Taxonomy.
Oryzomys marinhus Bonvicino, 2003
,
Fazenda Sertao Formoso (= Fazenda Jucurutu), altitude around
775 m
, Jaborandi municipality,
Goias
,
Brazil
.
This species is monotypic.
Distribution.
Tocantins,
Bahia
, Goias, and Minas Gerais states, EC Brazil.
Descriptive notes.
Head-body 153-179 mm, tail 198-212 mm, hindfoot 38-43 mm. No specific data are available for body weight. Dorsum of Marinho’s Rice Rat is brown, lined with black. Venter is grayish, buffy, or yellowish gray. Tail is bicolored and scarcely hairy. Skull is heavily built, large, and robust. Mesopterygoid fossa is fully ossified or with narrow sphenopalatine vacuities. Incisors are opisthodont, molars are pentalophodont, and M, has reduced or absent mesolophid. Chromosomal complement is 2n = 56, FN = 54.
Habitat.
Cerrado biome in flooded grasslands and seasonally flooded semideciduous forests.
Food and Feeding.
No information.
Breeding.
Female Marinho’s Rice Rats with 2-4 embryos were pregnant during dry and rainy seasons.
Activity patterns.
Marinho’s Rice Rat is probably terrestrial.
Movements, Home range and Social organization.
No information.
Status and Conservation.
Classified as Data Deficient on The IUCN Red Lust.
Bibliography.
Bonvicino (2003), Carmignotto & Aires (2011), Carmignotto et al. (2014), Percequillo (2015b), Percequillo, Hingst-Zaher & Bonvicino (2008).