Mason-Brady road, 2.5 miles north of Camp San Saba (Ordovician of the United States)

Where: McCulloch County, Texas (31.3° N, 98.7° W: paleocoordinates 20.0° S, 90.1° W)

• outcrop-level geographic resolution

When: Staendebach Member (Tanyard Formation), Gasconadian (485.4 - 477.7 Ma)

• called Gasconade equivalent of Ellenburger Formation, member 3; this is the Staendebach member of the Tanyard Formation now.

• member-level stratigraphic resolution

Environment/lithology: cherty/siliceous limestone

Size class: macrofossils

Primary reference: C. L. Dake and J. Bridge. 1932. Faunal correlations of the Ellenburger limestone of Texas. Geological Society America Bulletin 43:725-741 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56500: authorized by Pete Wagner, entered by Pete Wagner on 20.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Euomphalina - Ophiletidae
Ozarkina typica Ulrich et al. 1931 snail
 Eogastropoda - Sinuopeidae
Gasconadia putilla Sardeson 1896 snail
 Bellerophontida - Tropidodiscidae
"Pelagiella paucivoluta" = Strepsodiscus paucivoluta
"Pelagiella paucivoluta" = Strepsodiscus paucivoluta Calvin 1892 snail