Levett Creek Quarry (Eocene of the United States)

Also known as Leavitt Creek

Where: Uinta County, Wyoming (41.3° N, 110.2° W: paleocoordinates 45.3° N, 96.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bridger Formation, Bridgerian (50.3 - 46.2 Ma)

• "in the B horizon of the Bridger formation"

• bed-level stratigraphic resolution

Environment/lithology: pond; lithified, volcaniclastic, argillaceous tuff

• "pond deposit" according to Roberts 1962
• a solid block consisting of "a matrix of greenish gray tuff" that "consists largely of volcanic debris and clay pellts... It may be that this rock represents an ash fall on a muddy basin or flood plain where clay pellets existed prior to an ash shower"

Size class: macrofossils

Collected by C. L. Gazin, J. L. Kay in 1941; reposited in the CM, USNM

Collection methods: bulk, quarrying, mechanical,

Primary reference: C. W. Gilmore. 1945. A slab of fossil turtles from Eocene of Wyoming, with notes on the genus Echmatemys. American Journal of Science 243(3):102-107 [J. Alroy/M. Sommers/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 74504: authorized by John Alroy, entered by John Alroy on 08.08.2007, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

• collection originally described by Gilmore 1945
Show authors, comments, and common names
Reptilia
 Testudines - Geoemydidae
Echmatemys callopyge, Echmatemys naomi
Echmatemys callopyge Hay 1908 turtle
Part of this material has been previously assigned to E. wyomingensis. Referred material. Four almost complete shells, USNM V 16766, 16770, 16778 and 16779. USNM V 16766 and 16770 were originally in the slab, whereas USNM V 16778 and 16779 were found in the vicinity of the slab.
Echmatemys naomi Hay 1908 turtle
 Testudinata - Baenidae
Chisternon sp.
Chisternon sp. Leidy 1872 turtle
Baptemys wyomingensis
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Baptemys wyomingensis