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La Brisca

MEXICO: Sonora: ca. 1000 m.

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Location of the La Brisca

Age. Sangamon (Van Devender et al. 1985).

General Description. The locality is in north-central Sonora near Rancho la Brisca on the Rio Santo Domingo (Van Devender et al. 1985). The site is some 90 km south of the US border and 33 km northeast of Cucurpe (Van Devender et al. 1985).

Fauna.

Osteichthyes

Agosia chrysogaster Girard 1856—Longfin Dace (Van Devender et al. 1985)
Poeciliopsis occidentalis/monacha-occidentalis—Gila Topminnow or All-female Topminnow (Van Devender et al. 1985)
Castostomus wigginsi Herre and Brock 1936—Opata Sucker (Van Devender et al. 1985)

Amphibia

Anaxyrus cognatus—Great Plains Toad (Van Devender et al. 1985: cf.)

Bufo cf. cognatus

Anaxyrus kelloggi—Little Mexican Toad (Van Devender et al. 1985: cf.)

Bufo cf. kelloggi

Anaxyrus punctatus/retiformis—Red-spotted Toad or Sonoran Green Toad (Van Devender et al. 1985)

Bufo punctatus

Incilius alvarius—Colorado River Toad (Van Devender et al. 1985)

Bufo alvarius

Incilius mazatlanensis—Sinoloa Toad (Van Devender et al. 1985)

Bufo mazatlanensis

Craugastor augusti—Barking Frog (Van Devender et al. 1985)

Hylactophryne augusti

Hyla arenicolor—Canyon Treefrog (Van Devender et al. 1985)
Smilisca fodiens—Lowland Burrowing Treefrog (Van Devender et al. 1985)

Pternohyla fodiens

Leptodactylus melanonotus—Sabinal Frog (Van Devender et al. 1985)
Gastrophryne olivacea—Great Plains Narrowmouth Toad (Van Devender et al. 1985: cf.)
Scaphiopus couchii—Couch's Spadefoot Toad
Lithobates pipiens Complex—North American True Frogs (Van Devender et al. 1985)

Rana pipiens Complex

Chelonia

Terrapene sp.—Box Turtles (Van Devender et al. 1985: cf. gen.)
Trachemys scripta—Pond Slider (Van Devender et al. 1985)

Pseudemys scripta

Kinosternon flavescens—Yellow Mud Turtle (Van Devender et al. 1985)
Kinosternon sonoriense—Sonoran Mud Turtle (Van Devender et al. 1985)
Gopherus/Hesperotestudo sp.—Gopherus or Hesperotestudo Tortoise (White et al. 2010)

Reptilia

Callisaurus draconoides—Zebra-tailed Lizard (Van Devender et al. 1985: cf. gen et sp.)
Sceloporus clarkii—Clark's Spiny Lizard (Van Devender et al. 1985: cf.)
Masticophis mentovarius—Tropical Whipsnake (Van Devender et al. 1985: cf.)
Salvador sp.—Patch-nosed Snake (Van Devender et al. 1985)
Crotalus atrox—Western Diamondback Rattlesnake (Van Devender et al. 1985)
Hypsiglena torquata—Night Snake (Van Devender et al. 1985)
Thamnophis cyrtopsis—Black-necked Gartersnake (Van Devender et al. 1985: cf.)

Aves

Anas crecca—Green-winged Teal (Van Devender et al. 1985: cf.)
Meleagris gallopavo—Wild Turkey (Van Devender et al. 1985)
Spizaetus sp.—Hawk-eagle (Van Devender et al. 1985: cf. gen.)
Oraristrix brea—Brea Owl (Campbell and Bocheński 2010; Van Devender et al. 1985: cf. gen.); Disallowed.

Campbell and Bocheński (2010) examined a cast of the La Brisca element and noted numerous differences that ruled out Oraristrix.

Agelaius phoeniceus—Red-winged Blackbird (Van Devender et al. 1985)

Mammalia

Mammuthus sp.—Mammoth (Van Devender et al. 1985)
Dipodomys sp.—Kangaroo Rats (Van Devender et al. 1985)
Neotoma sp.—Woodrat (Mead et al. 2006)
Onychomys sp.—Grasshopper Mice (Van Devender et al. 1985)
Sigmodon sp.—Cotton Rat (Van Devender et al. 1985)
Bassariscus astutus—Ringtail (White et al. 2010)
Equus sp. (large)—Large Horse (Van Devender et al. 1985)
Equus francisci—Stilt-legged Onager (Van Devender et al. 1985: cf.)

Equus cf. tau.

Camelops sp.—American Camel (Van Devender et al. 1985)
Odocoileus hemionus—Mule Deer (Van Devender et al. 1985)
Capromeryx furcifer—Matthew's Pronghorn (Van Devender et al. 1985)

Capromeryx minor

Tetrameryx sp.—Four-horned Pronghorn (Van Devender et al. 1985)
Bison sp.—Bison (Van Devender et al. 1985)

Literature. Campbell and Bocheński 2010; Van Devender et al. 1985; White et al. 2010.

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Last Update: 3 Dec 2013