99-13. U.S. Highway 99 Section (Ordovician of the United States)

Where: Pontotoc County, Oklahoma (34.5° N, 96.7° W: paleocoordinates 22.4° S, 73.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bromide Formation, Turinian (457.3 - 453.8 Ma)

• bed-level stratigraphic resolution

Environment/lithology: wackestone and floatstone

• wacke- to floatstone; patchy silicification

Size class: macrofossils

Preservation: original calcite, replaced with silica

Reposited in the OU

Primary reference: L. Amati. 2014. Isoteline trilobites of the Viola Group (Ordovician: Oklahoma): systematics and stratigraphic occurrence. Oklahoma Geological Survey Bulletin 151:1-125 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164840: authorized by Pete Wagner, entered by Pete Wagner on 18.12.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• crinoid ossicles, short columns, silicified brachiopods, fenestrate bryozoa, cryptolithines
Trilobita
 Asaphida - Asaphidae
Isotelus bradleyi n. sp. Amati 2014 trilobite