I-1066 (Ordovician of the United States)

Where: Carter County, Oklahoma (34.4° N, 97.1° W: paleocoordinates 21.4° S, 82.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bolbocephalus stitti trilobite zone, Kindblade Formation, Cassinian (482.3 - 470.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, ooidal wackestone and lithified lime mudstone

• Within unit 7, described as "Common, medium-bedded oolitic wackestone to packstone, with thick-bedded lime mudstone to wackestone eroded as ledges. Alternating thin-bedded lime mudstone and mudstone laminated with argillaceous and dolomitic partings eroded as recesses. Sparse skeletal lime grainstone. Moderately fossiliferous. Distinctive oolitic chert at 1053-56 ft."

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 106801: authorized by Melanie Hopkins, entered by Melanie Hopkins on 29.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Proetida - Bathyuridae
Strigigenalis insentis Loch 2007 trilobite
3 pygidia
 Asaphida - Asaphidae
Isoteloides peri Fortey 1979 trilobite
1 cranidium, 2 pygidia, 1 librigena, 1 exoskeleton