Columbus (Cretaceous to of the United States)

Also known as Platecarpus type

Where: Lowndes County, Mississippi (33.5° N, 88.4° W: paleocoordinates 36.2° N, 59.6° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Tombigbee Sand Member (Eutaw Formation), Late/Upper Santonian to Late/Upper Santonian (85.8 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; green sandstone

Size class: macrofossils

Collected by W. Spillman

Collection methods: mechanical,

• collected by Dr. William Spillman

Primary reference: J. Leidy. 1866. [The specimen of a large phalanx of an extinct reptile]. Proceedings of the Academy of Natural Sciences of Philadelphia 1866:9 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98972: authorized by Matthew Carrano, entered by Hallie Street on 25.10.2010, edited by Matthew Carrano and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Protostegidae
"Platecarpus tuberosus n. sp." = Neptunochelys tuberosa1
"Platecarpus tuberosus n. sp." = Neptunochelys tuberosa1 Cope 1872 sea turtle
 Neornithischia - Hadrosauridae
? Hadrosaurus sp. Leidy 1858 hadrosaurine
 Squamata - Mosasauridae
Platecarpus tympaniticus n. gen. n. sp.2
Platecarpus tympaniticus n. gen. n. sp.2 Cope 1869 mosasaur
Holotype - ANSP 8484, 8487-88, 8491, 8558-59, 8562, all from one individual, includes a partial left surangular, right quadrate, partial right pterygoid, anterior dorsal vertebra, two cervical vertebrae, and partial basioccipital-basisphenoid complex. ANSP 8491, the partial right pterygoid, is currently missing.