TF-244, 2.8 miles south 62˚east of Chappell, San Saba County (Ordovician of the United States)

Where: San Saba County, Texas (31.0° N, 98.5° W: paleocoordinates 21.0° S, 87.9° 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 56489: authorized by Pete Wagner, entered by Pete Wagner on 20.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Rostroconchia
 Conocardiida - Eopteriidae
Eopteria richardsoni1 Billings 1865
Gastropoda
 Euomphalina - Ophiletidae
"Barnesella lecanospiroides n. gen. n. sp." = Lecanospira lecanospiroides, Ophileta sp.
"Barnesella lecanospiroides n. gen. n. sp." = Lecanospira lecanospiroides Bridge and Cloud 1947 snail
Ophileta sp. Vanuxem 1842 snail
 Euomphalina - Raphistomatidae
Ceratopea sp. Ulrich 1911 snail
operculum
Ceratopea cf. hami2 Yochelson and Bridge 1957 snail
Ceratopea shell
Ceratopea cf. unguis2 Yochelson and Bridge 1957 snail
Ceratopea shell
Orospira sp. Butts 1926 snail
 Eogastropoda - Sinuopeidae
"Euconia" sp. Ulrich and Scofield 1897 snail
 Murchisoniina - Hormotomidae
Hormotoma sp. Salter 1859 snail
Plethospira sp. Ulrich and Scofield 1897 snail
Cephalopoda
 Endocerida - Proterocameroceratidae
Mcqueenoceras sp. Ulrich and Foerste 1936
 Tarphycerida - Tarphyceratidae
Demospongea
 Lithistida - Anthaspidellidae
Archaeoscyphia annulata Rigby 1973 demosponge