Authority citation: Merriam, C.H. 1898-04-30. Descriptions of twenty new species and a new subgenus of Peromyscus from Mexico and Guatemala. Proceedings of the Biological Society of Washington 12:115-125.
Authority publication link: https://www.biodiversitylibrary.org/page/3849990
Original name as described: Peromyscus (Megadontomys) thomasi
Nominal names: thomasi (C. H. Merriam, 1898)
Other common names: Thomas's Deermouse|Thomas's Giant Deer Mouse
Taxonomy
Subclass: Theria -- Infraclass: Placentalia -- Order: Rodentia -- Family: Cricetidae -- Subfamily: Neotominae -- Tribe: Peromyscini
Type specimen voucher catalogue number: USNM:MAMM:70142
Type locality: mountains near Chilpancingo, 9700 ft (= 2957 m), Guerrero, Mexico.
Country distribution (coarse map shown below; most species exist in only part of countries): Mexico (MEX)
Species Status: This species is currently living, it lives in wild habitats, its taxonomic status is currently accepted, and it is listed in MSW3 2005.
IUCN Red List of Threatened Species status: Endangered
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