KR-339 (Ordovician of the United States)

Where: Kiowa County, Oklahoma (35.0° N, 98.6° W: paleocoordinates 19.6° S, 84.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Jeffersonia granosa trilobite zone, Kindblade Formation, Jeffersonian (485.4 - 470.0 Ma)

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

• See also Toomey and Nitecki 1979.
• Within unit 5, described as "Thick, 1-6-ft-thick benches of medium- to thick-bedded, bioturbated to massive lime mudstones. Common intraclastic wackestones to packstones, rare skeletal lime grainstones. Moderately fossiliferous. Six thick benches of bioturbated lime mudstone up to 10-ft thick." Also oolitic wackestone and thrombolitic beds.

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 106869: authorized by Melanie Hopkins, entered by Melanie Hopkins on 29.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Proetida - Bathyuridae
Jeffersonia granosa
Jeffersonia granosa Cullison 1944 trilobite
1 cranidium
Gastropoda
 Euomphalina - Raphistomatidae
Ceratopea sp.
Ceratopea sp. Ulrich 1911 snail