A New Fossil Rodent from Ecuador
Author: Harold Elmer Anthony
Publisher:
Published: 1922
Total Pages: 12
ISBN-13:
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Author: Harold Elmer Anthony
Publisher:
Published: 1922
Total Pages: 12
ISBN-13:
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DOWNLOAD EBOOKAuthor: David W. Steadman
Publisher:
Published: 1982
Total Pages: 32
ISBN-13:
DOWNLOAD EBOOKMegaoryzomys curioi is a thomasomyine, not an oryzomyine as previously believed. This rodent was originally described, from three bony fragments found in a cave on Isla Santa Cruz, Galápagos, as a new species of the Antillean oryzomyine genus Megalomys. The genus Megaoryzomys was named recently for this species, based on new material from Isla Santa Cruz. Our study of additional material indicates that Megaoryzomys curioi is not closely related to Oryzomys but is most similar to large species of Thomasomys, a genus confined to mainland South America. The Galápagos have been colonized by cricetine rodents at least three times, once by a thomasomyine and twice by oryzomyines. Of these colonists, Megaoryzomys curioi is the most divergent from mainland relatives and thus is probably derived from the earliest immigrant. Although the time of extinction of Megaoryzomys curioi has not been determined, and it has never been recorded from life, it probably survived into historic time.
Author: American Museum of Natural History
Publisher:
Published: 1922
Total Pages: 406
ISBN-13:
DOWNLOAD EBOOKAuthor: Harold Elmer Anthony
Publisher:
Published: 1913
Total Pages: 812
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DOWNLOAD EBOOKAuthor: Ernest Edward Williams
Publisher:
Published: 1951
Total Pages: 9
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DOWNLOAD EBOOKAuthor: Philip G. Cox
Publisher: Cambridge University Press
Published: 2015-08-06
Total Pages: 627
ISBN-13: 1107044332
DOWNLOAD EBOOKA valuable resource for the latest research on rodents, highlighting links across palaeontology, developmental biology, functional morphology, phylogenetics and biomechanics.
Author: Charles Peter Berkey
Publisher:
Published: 1906
Total Pages: 148
ISBN-13:
DOWNLOAD EBOOKAuthor: William King Gregory
Publisher:
Published: 1923
Total Pages: 540
ISBN-13:
DOWNLOAD EBOOKAuthor: Central Asiatic Expeditions of the American Museum of Natural History
Publisher:
Published: 1921
Total Pages: 428
ISBN-13:
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