Where: McLennan County, Texas (31.6° N, 97.2° W: paleocoordinates 30.1° N, 62.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Grayson Marl Formation, Early/Lower Cenomanian (99.6 - 93.5 Ma)

• Lower lower Cenomanian

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified marl

Size class: macrofossils

Collection methods: Repository: Texas A&M University

Primary reference: E. A. Mancini. 1982. Early Cenomanian cephalopods from the Grayson Formation of north-central Texas. Cretaceous Research 3:241-259 [L. Bulot/L. Bulot/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175338: authorized by Matthew Clapham, entered by Matthew Clapham on 10.12.2015

Creative Commons license: CC BY (attribution)