Where: Tarrant County, Texas (32.7° N, 97.2° W: paleocoordinates 31.1° N, 62.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Main Street Limestone Formation (Washita Group), Early/Lower Cenomanian (99.6 - 93.5 Ma)
• 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 175199: authorized by Matthew Clapham, entered by Matthew Clapham on 04.12.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Stoliczkaia (Lamnayella) texana Cragin 1893 ammonite |