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FAMILY Octodontidae

Author:Waterhouse, 1839.
Actual Date:1840
Citation:Proc. Zool. Soc. Lond., 1839: 172.
Comments:Sometimes considered the most primitive group of South American hystricognaths with numerous fossil genera from Oligocene on, but Reig (1986:418) reserved this distinction for the Echimyidae. Ctenomys is often placed here as a subfamily, and is closely related to octodontids (see comments under Ctenomyidae and in Cook et al. (1990:22-23). Chromosomal variation is not as conservative as previously thought, 2n=38-102 and includes the only known mammalian tetraploid (Gallardo et al., 1999). Molecular data (Gallardo and Kirsch, 2000; Honeycutt et al., 2003) support the monophyly of the Octodontidae and the sister taxon relationship with the Ctenomyidae.
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Offspring:

GENUS Aconaemys

SPECIES fuscus

SPECIES porteri

SPECIES sagei

GENUS Octodon

SPECIES bridgesi

SPECIES degus

SPECIES lunatus

SPECIES pacificus

GENUS Octodontomys

SPECIES gliroides

GENUS Octomys

SPECIES mimax

GENUS Pipanacoctomys

SPECIES aureus

GENUS Salinoctomys

SPECIES loschalchalerosorum

GENUS Spalacopus

SPECIES cyanus

SUBSPECIES cyanus

SUBSPECIES maulinus

SUBSPECIES poeppigii

GENUS Tympanoctomys

SPECIES barrerae

Synonyms:


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