Lockesburg (UAM) (Cretaceous of the United States)

Where: Sevier County, Arkansas (34.0° N, 94.2° W: paleocoordinates 30.6° N, 53.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Trinity Group, Albian (113.0 - 100.5 Ma)

• Near the top of the Trinity Group

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; unlithified, fine-grained, silty sandstone

• "silty fine sands"

Size class: macrofossils

Collected by J. B. Friday in 1972

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: J. H. Quinn. 1973. Arkansas dinosaur. 7th Annual Meeting, South-Central Section, Geological Society of America, Abstracts with Programs 5(3):276-277 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 55531: authorized by Matthew Carrano, entered by Kaitlin Maguire on 31.10.2005, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudinata - Helochelydridae
Naomichelys sp.2 Hay 1908 turtle
 Theropoda -
Arkansaurus fridayi n. gen. n. sp.1
Arkansaurus fridayi n. gen. n. sp.1 Hunt and Quinn 2018 ornithomimosaur
UAM 74-16