Kansas Herpetofaunal Atlas

Holotype left ilium of *Tregobatrachus hibbardi* (MSU-VP 766). From Holman (1976).

AMPHIBIA (Amphibians) ANURA (Frogs) TREGOBATRACHIDAE ()

Trego Toad
†Tregobatrachus hibbardi

Conservation Status:
Extinct

Diagnosis:
A moderately large anuran left ilium separable from other anuran families by the following combination of characters: (1) dorsal acetabular expansion limited in extent, its dorsal border extending straight back from dorsal prominence; (2) no ilial crest or ilial shaft ridge; (3) dorsal prominence well developed and lacking a protuberance, about twice as long as high, onehalf anterior to anterior edge of acetabular fossa, with a smoothly rising posterior slope and a more abruptly rising anterior slope, tip of prominence deflected medially; (4) ilial shaft compressed, its medial surface with an anterodorsally directed wide groove, entire shaft abruptly constricted anteriad; (5) large foramen present on shaft just anterior to anterior edge of ventral acetabular expanexpansion; (6) ventral acetabular expansion limited in its extent, its ventral border truncated; (7) acetabular fossa very large, its surface pitted.

Distribution:

(, Museum Voucher) (, Observation) (, Literature Record) (, iNat Record), ( Fossil)
Open icons are questionable records; Click on a marker to view details.
Full range depicted by light shaded red area. Export Google Earth (.kml)

Occurrence Summary:
1
Records
1
Museum Vouchers
0
Other Observations

Some county occurrences indicated below may be too imprecise to map above.
County Breakdown: County Name (# occurrences):
Trego (1);

Natural History:

Remarks:
Named in honor of the many contributions to vertebrate paleontology of Claude W. Hibbard.

Bibliography:

1975	Holman, J. Alan. Herpetofauna of the WaKeeney local fauna (Lower Pliocene: Clarendionian) of Trego County, Kansas. Pages 49-66 in Studies on Cenozoic Paleontology and Stratigraphy in honor of Claude W. Hibbard. Museum of Paleontology, The University of Michigan, Ann Arbor, Michigan. pp.
1995	Parmley, Dennis and J. Alan Holman. Hemphillian (Late Miocene) snakes from Nebraska, with comments on Arikareean through Blancan Snakes of midcontinental North America. Journal of Vertebrate Paleontology 15(1):79-95
2015	Parmley, Dennis, Robert Chandler and Linda Chandler Fossil frogs of the Late Clarendonian (Late Miocene) Pratt Slide Local Fauna of Nebraska, with the description of a new genus. Journal of Herpetology 49(1):143-149 Mention of the significance of the Wakeeney Local Fauna. Includes a map displaying the fossil and modern distribution of Hyla from South Dakota to Oklahoma.

Account Last Updated:
11/30/2023 7:52:42 AM - page took 0.5384501 seconds to load.