Where: Johnson County, Texas (32.2° N, 97.4° W: paleocoordinates 29.6° N, 60.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Albian (105.3 - 99.6 Ma)

• upper Upper Pawpaw Shale-Main Street Limestone transition

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Reposited in the USNM

Primary reference: W. J. Kennedy, W. A. Cobban, J. M. Hancock and W. S. Gale. 2005. Upper Albian and Lower Cenomanian ammonites from the Main Street Limestone, Grayson Marl and Del Rio Clay in northeast Texas. Cretaceous Research 26:349-428 [L. Bulot/L. Bulot/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175193: authorized by Matthew Clapham, entered by Matthew Clapham on 04.12.2015

Creative Commons license: CC BY (attribution)