ammonites
I-623 (Ordovician of the United States)

Where: Carter County, Oklahoma (34.4° N, 97.1° W: paleocoordinates 20.8° S, 84.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Benthamaspis rhochmotis trilobite zone, Kindblade Formation, Jeffersonian (488.3 - 468.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified lime mudstone and lithified wackestone

• See also Toomey and Nitecki, 1979.
• Within unit 2, described as "Thick- to thin-bedded lime mudstone with common intraclastic wackestone to packstone, uncommon skeletal grainstone, and sparse oolitic grainstone. Poorly fossiliferous. Small stromatolites [at various intervals]."

Size class: macrofossils

Collected by J. D. Loch

Collection methods: bulk,

Primary reference: J. D. Loch. 2007. Trilobite biostratigraphy and correlation of the Kindblade Formation (Lower Ordovician) of Carter and Kiowa Counties, Oklahoma. Oklahoma Geological Survey Bulletin 149:1-154 [M. Hopkins/M. Hopkins] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 106633: authorized by Melanie Hopkins, entered by Melanie Hopkins on 26.03.2011