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Phyllomys unicolor

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA ECHIMYIDAE

Scientific Name: Phyllomys unicolor
Species Authority: (Wagner, 1842)
Common Name(s):
English Unicolored Tree Rat
Synonym(s):
Echimys unicolor (Wagner, 1842)
Taxonomic Notes: Formerly placed in Echimys.

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Leite, Y. & Patterson, B.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
Justification:
This species is listed as Critically Endangered because its extent of occurrence is less than 100 km² and its area of occupancy is less than 10 km², all individuals are in a single location, and there is continuing decline in the extent and quality of its habitat. Only one specimen has been found at one locality in recent history, and it is not known to occur in any protected areas.

Geographic Range [top]

Range Description: This species was known only from the type specimen collected in the nineteenth century (Emmons et al. 2002). The type locality is Helvecia, Bahia state, Brazil (Emmons et al., 2002). Recently an extensive search was conducted in the surrounding area with only one specimen found during a year (R. Moura pers. comm.).
Countries:
Native:
Brazil
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Just one specimen found in recent history, located within 40 km of Helvecia (type locality) (R. Moura pers. comm.).
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: There is no detailed information on the habitat of this species and little is known of its ecology. This rodent has been collected in broadleaf evergreen rainforest close to sea level (Leite, 2003).
Systems: Terrestrial

Threats [top]

Major Threat(s): The threats to this species are poorly known but estimated to be direct and indirect effects of deforestation.

Conservation Actions [top]

Conservation Actions: More research is required to determine its conservation status. The species would benefit from establishment of a protected area within its range. A proposal exists to create a protected area adjacent to, but not extending into, the known range of the species (R. Moura pers. comm.).

Citation: Leite, Y. & Patterson, B. 2008. Phyllomys unicolor. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 03 September 2014.
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