TF-287, 2 miles west of Chappell, San Saba County (Ordovician of the United States)

Where: San Saba County, Texas (31.1° N, 98.6° W: paleocoordinates 21.0° S, 87.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hintzeia celsaora trilobite zone, Honeycut Formation, Jeffersonian (485.4 - 468.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: J. Bridge and P.E. Cloud. 1947. New gastropods and trilobites critical in the correlation of Lower Ordovician rocks. The American Journal of Science 245:545-559 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56490: authorized by Pete Wagner, entered by Pete Wagner on 20.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Proetida - Bathyuridae
"Jeffersonia producta" = Cullisonia producta, Jeffersonia granosa
"Jeffersonia producta" = Cullisonia producta Cullison 1944 trilobite
Jeffersonia granosa Cullison 1944 trilobite
Rostroconchia
 Conocardiida - Eopteriidae
Eopteria sp. Billings 1865
Gastropoda
 Euomphalina - Holopeidae
Raphistomina sp. Ulrich and Scofield 1897 snail
Ceratopea shell
 Euomphalina - Ophiletidae
"Barnesella lecanospiroides" = Lecanospira lecanospiroides, Ophileta sp.
"Barnesella lecanospiroides" = Lecanospira lecanospiroides Bridge and Cloud 1947 snail
Ophileta sp. Vanuxem 1842 snail
 Euomphalina - Raphistomatidae
Ceratopea capuliformis snail
var. robusta Oder (operculum)
Demospongea
 Lithistida - Anthaspidellidae
Archaeoscyphia sp. Hinde 1889 demosponge