Where: Ohio (39.9° N, 80.8° W: paleocoordinates 4.2° S, 15.7° W)

• coordinate estimated from map

When: Washington Formation (Dunkard Group), Asselian to Asselian (298.9 - 290.1 Ma)

• upper Washington

Environment/lithology: fluvial-lacustrine; lithology not reported

Size class: macrofossils

Reposited in the TMM

• The isolated teeth used in this study are reposited in the Shuler Museum of Paleontology at Southern Methodist University, Dallas. Texas (SMU; the Waggoner Ranch Collection); the Institut fiir Palaontologie. Museum fur Naturkunde, Humboldt-Universitat zu Berlin (MB.); the Carnegie Museum of Natural History. Pittsburgh. Pennsylvania (CM); and the Texas Memorial Museum (TMM). University of Texas, Austin.

Primary reference: G. D. Johnson. 2003. Dentitions of Barbclabornia (new genus, Chondrichthyes: Xenacanthiformes) from the Upper Palaeozoic of North America. Mitteilungen aus dem Museum für Naturkunde in Berlin, Geowissenschaftliche Reihe 6:125-160 [M. Clapham/P. Vazquez/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132415: authorized by Matthew Clapham, entered by Priscilla Vazquez on 16.08.2012

Creative Commons license: CC BY (attribution)