Thomasomys rosalinda, Thomas & St. Leger, 1926

Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Cricetidae, Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona: Lynx Edicions, pp. 204-535 : 500

publication ID

https://doi.org/ 10.5281/zenodo.6707142

DOI

https://doi.org/10.5281/zenodo.6727575

persistent identifier

https://treatment.plazi.org/id/03F06D13-FF73-20BA-0D5D-12270AA2F3E8

treatment provided by

Carolina

scientific name

Thomasomys rosalinda
status

 

656. View Plate 28: Cricetidae

Reddish-nosed Oldfield Mouse

Thomasomys rosalinda View in CoL

French: Thomasomys de Goncha / German: Rotnasen-Paramomaus / Spanish: Raton de erial de hocico rojizo

Other common names: Reddish-nosed Thomasomys, Rosalinda’s Oldfield Mouse, Rosalinda’s Thomasomys

Taxonomy. Thomasomys rosalinda Thomas & St. Leger, 1926 View in CoL , Goncha, 2591 m, Amazonas, Peru.

This species is monotypic.

Distribution. Known only from the type locality in N Peru. View Figure

Descriptive notes. Head-body 135 mm, tail 170 mm, ear 20-5 mm, hindfoot 27-5 mm. No specific data are available for body weight. The Reddish-nosed Oldfield Mouse is the smallest member of the aureus species group. Dorsum is reddish gray overall, more grayish on head, foreback, and cheeks, and smoothly more rufous on posterior back, rump, and hindlimbs. Venter is tawny cinnamon, paler on chin, throat, and inner sides of forelimbs, with indistinct rufous patch on chest, and more rufous on inner sides of hindlimbs and inguinal region. Fur is moderately long (12 mm). Nose is reddish gray, contrasting with dark spot at bases of mystacial vibrissae. Mystacial vibrissae are moderately long, extending slightly beyond posterior margin of pinnae when bent. Ears are brown and covered with long hair. Tail is moderately long (c.126% of head-body length) and unicolored. Hallux is long, extending to interphalangeal joint of second digit. Fifth digit of pes is very long, with claw extending to base of claw of fourth digit.

Habitat. Montane forests. Type specimen of the Reddish-nosed Oldfield Mouse was trapped in wet brush.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. No information.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Data Deficient on The IUCN Red List. Information on status and natural history of the Reddish-nosed Oldfield Mouse is lacking, and it is not found in any protected areas. It is one of the most poorly known species of Thomasomys .

Bibliography. Ellerman (1941), Musser & Carleton (2005), Pacheco (2003, 2015b), Pacheco & Vargas (20089), Pacheco et al. (2009), Thomas & St. Leger (1926a).

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

SubOrder

Myomorpha

SuperFamily

Muroidea

Family

Cricetidae

Genus

Thomasomys

Loc

Thomasomys rosalinda

Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr 2017
2017
Loc

Thomasomys rosalinda

Thomas & St. Leger 1926
1926
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