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Oryzomys

1:25

Oryzomys Gorgasi

2:48

Oryzomys peninsulae - Video Learning - WizScience.com

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Oryzomys couesi - Video Learning - WizScience.com

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Oryzomys antillarum - Video Learning - WizScience.com

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What is the meaning of the word ORYZOMYS?

Oryzomys is a genus of semiaquatic rodents in the tribe Oryzomyini living in southern North America and far northern South America. It includes eight species, two of which—the marsh rice rat (O. palustris) of the United States and O. couesi of Mexico and Central America—are widespread; the six others have more restricted distributions. The species have had eventful taxonomic histories, and most species were at one time included in the marsh rice rat; additional species may be recognized in the future. The name Oryzomys was established in 1857 by Spencer Fullerton Baird for the marsh rice rat and was soon applied to over a hundred species of American rodents. Subsequently, the genus gradually became more narrowly defined until its current contents were established in 2006, when ten new genera were established for species previously placed in Oryzomys.
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