Trinomys myosuros

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	MAMMALIA	RODENTIA	ECHIMYIDAE

Scientific Name:

Trinomys myosuros

Species Authority:

(Lichtenstein, 1820)

Common Name/s:

English

–

Mouse-tailed Spiny Rat

Synonym/s:

Proechimys myosuros (Lichtenstein, 1820)

Proechimys myosuros Lichtenstein, 1820

Taxonomic Notes:

Previously placed in genus Proechimys. Tentatively placed in Trinomys because the teeth remain undescribed (Wilson and Reeder 2005).

Assessment Information [top]

Red List Category & Criteria:

Least Concern ver 3.1

Year Assessed:

2008

Assessor/s

Brito, D., Leite, Y. & Patterson, B.

Evaluator/s:

Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)

Justification:
This species is listed as Least Concern in view of its wide distribution, presumed large population, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.

History:

1996

–

Lower Risk/least concern (Baillie and Groombridge 1996)

Geographic Range [top]

Range Description:	This species occupies forest to the west of coastal mountain ranges in Bahia and Minas Gerais states, Brazil (Eisenberg and Redford 1999).
Countries:	Native: Brazil (Bahia, Minas Gerais)
Range Map:	(click map to view full version)

Population [top]

Population:	Nothing is known about the population of this species, however, similar species are very common in forested habitats (Emmons and Freer 1997).
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	This species has been captured in Atlantic forest habitats. Very little is known about this species although it is suspected to be tolerant to some disturbance.
Systems:	Terrestrial

Threats [top]

Major Threat(s):	There are no major threats to the species although deforestation and conversion of forest habitats to agriculture and pasture have severely reduced Atlantic forest habitats, which is suspected to be reducing populations.

Major Threat(s):

There are no major threats to the species although deforestation and conversion of forest habitats to agriculture and pasture have severely reduced Atlantic forest habitats, which is suspected to be reducing populations.

Conservation Actions [top]

Conservation Actions:	This species occurs in several protected areas. More research is necessary to determine the actuall range, verify its occurrence in protected areas and tolerance to habitat modification.

Conservation Actions:

This species occurs in several protected areas. More research is necessary to determine the actuall range, verify its occurrence in protected areas and tolerance to habitat modification.

Citation:	Brito, D., Leite, Y. & Patterson, B. 2008. Trinomys myosuros. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 09 February 2010.
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