TF-179. 5.84 south 1˚ east from highway intersections, San Saba (Ordovician of the United States)

Where: San Saba County, Texas (31.2° N, 98.7° W: paleocoordinates 20.1° S, 90.1° W)

• outcrop-level geographic resolution

When: Gorman Formation, Demingian (485.4 - 478.6 Ma)

• base of formation

• 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: taxonomic analysis

PaleoDB collection 56495: authorized by Pete Wagner, entered by Pete Wagner on 20.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Eogastropoda - Sinuopeidae
"Rhombella umbilicata n. gen." = Euconia umbilicata
"Rhombella umbilicata n. gen." = Euconia umbilicata Dake and Bridge 1932 snail