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Class Amphibia
Order Anura
Family Microhylidae

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Gastrophryne olivacea Hallowell 1856—Western Narrow-mouth Toad

Regional Pleistocene distribution of Gastrophryne

Narrow-mouthed Frogs of the species G. olivacea, the species currently inhabiting our region, include populations in southernmost Arizona south into Mexico, then east and north again into the Great Plains.

Sites.

Sangamon: La Brisca (Van Devender et al. 1985: cf.).

Mid Wisconsin: Papago Springs Cave (Czaplewski and Mead et al. 1999: cf. gen.).

Literature. Czaplewski and Mead et al. 1999; Van Devender et al. 1985

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Last Update: 6 Nov 2013