Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic genus within the family Abrocomidae,
rodents native to South America.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Unusual morphological and behavioural traits in Abrocoma (Rodentia: Abrocomidae) from Argentina.
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This is an entirely South American group previously known only from Abrocoma Waterhouse 1837, members of which are sometimes called rat chinchillas, chinchilla rats or chinchilliones, and from the Miocene fossil Protabrocoma Kraglievich 1927.
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-- Abrocoma uspallata Braun & Mares, 2002, an Argentinian chinchilla rat with larger ears and a longer tail than related species.
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-- Abrocoma boliviensis Glanz & Anderson, 1990, a Bolivian chinchilla rat known from two specimens, one collected in 1926 and the other in 1955.
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So now there is a second extant abrocomid taxon, and it and Abrocoma are actually quite different.
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Systematics of the Abrocoma cinerea species complex (Rodentia: Abrocomidae), with a description of a new species of Abrocoma.
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A new species of Abrocoma (Rodentia) and relationships of the Abrocomidae.
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Abrocoma produces midden piles, and Pleistocene rodent middens from Chile have been identified by DNA analysis as having been produced by Abrocoma (Kuch et al. 2002).
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Emmons’ discovery of Cuscomys ashaninka allowed her to determine that the abrocomid in the Machu Picchu graves wasn’t a species of Abrocoma as Eaton had thought, but a second member of Cuscomys, so it became renamed C. oblativus.
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While Cuscomys shares derived characters with Abrocoma not present in other rodents, it’s larger, long-tailed and with features indicating a scansorial lifestyle.
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