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Class Osteichthyes
Order Cypriniformes
Family Catostomidae

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Regional Pleistocene distribution of Xyrauchen sp.Xyrauchen sp.—Razorback Sucker

Croxen et al. (2007) reported this fish from El Golfo, Sonora, Mexico.

Sites.

Irvingtonian: El Golfo (Croxen et al. 2007.

Literature Cited. Croxen et al. 2007.

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Regional Pleistocene distribution of Xyrauchen texanusXyrauchen texanus (Abbott 1860)—Razorback Sucker

Historically present in medium and large rivers of the Colorado River Basin (Page and Burr 1991).

Sites.

Late Blancan/Irvingtonian: Anza-Borrego Desert (Gensler et al. 2006: cf.)

?Rancholabrean: Tower EP 353 (Jefferson 2014).

Rancholabrean: Flowing Wells no. 3, East Mesa (Jefferson 1991a).

Late Wisconsin/Early Holocene: Miles Avenue Bridge (Jefferson 2014).

Literature. Gensler et al. 2006; Jefferson 1991a, 2014; Page and Burr 1991.

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Last Update: 9 Apr 2015