Pitts Bridge (Pleistocene of the United States)

Also known as Pittbridge; Bryan

Where: Brazos County, Texas (30.6° N, 96.4° W: paleocoordinates 30.6° N, 96.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pleistocene (2.6 - 0.0 Ma)

• "presumably Pleistocene"

• member-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; poorly lithified sandstone

• in a "wide Eocene valley [that] is largely filled with Quaternary and Pleistocene deposits"
• at least one specimen from "a pile of sand"

Size class: macrofossils

Collected by A. R. Cahn, W. A. Rounds

Collection methods: surface (in situ),

• Texas Agricultural and Mechanical College collection

•at least one specimen found "in a partially buried condition"

Primary reference: O. P. Hay. 1916. Descriptions of some fossil vertebrates found in Texas. Bulletin of the University of Texas 71:3-24 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 85137: authorized by John Alroy, entered by John Alroy on 02.12.2008, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

• identifications by W. D. Matthew and O. P. Hay

•some material previously described by Hay 1916

 Testudines - Pantestudinidae
"Testudo crassiscutata n. sp." = Hesperotestudo crassiscutata2
"Testudo crassiscutata n. sp." = Hesperotestudo crassiscutata2 Leidy 1889 turtle
 Testudines - Panemydidae
Terrapene impressa n. sp.3 Hay 1924 box turtle
Unknown collection (holotype), an anterior plastral lobe (Hay 1924, fig. 5).
 Perissodactyla - Equidae
Equus complicatus2 Leidy 1858 horse
 Xenarthra - Megatheriidae
Megatheriidae indet.1 Gray 1821 edentate
 Xenarthra - Pampatheriidae
"Chlamytherium septentrionalis" = Holmesina septentrionalis2
"Chlamytherium septentrionalis" = Holmesina septentrionalis2 Leidy 1889 edentate
see also James 1957
 Proboscidea - Gomphotheriidae
Gomphotherium gratum n. sp. Hay 1916 gomphothere
 Proboscidea - Elephantidae
"Elephas columbi" = Mammuthus columbi2
"Elephas columbi" = Mammuthus columbi2 Falconer 1857 Columbian mammoth
 Proboscidea - Mammutidae
"Mastodon americanus" = Mammut americanum2, "Elephas imperator" = Mammut americanum2
"Mastodon americanus" = Mammut americanum2 Kerr 1792 American mastodon
"Mastodon americanum"
"Elephas imperator" = Mammut americanum2 Kerr 1792 American mastodon
 Ungulata - Camelidae
"Camelops huerfanensis" = Camelops hesternus2
"Camelops huerfanensis" = Camelops hesternus2 Leidy 1873 camel
 Ungulata - Bovidae
? Bison sp.2 Hamilton-Smith 1827 bison