Schneider, Brownwood Spillway: B 27 (Carboniferous of the United States)

Also known as Winchell Formation, LS 4

Where: Brown County, Texas (31.5° N, 98.6° W: paleocoordinates 7.8° S, 34.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Winchell Formation (Canyon Group), Missourian (306.0 - 303.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified, brown, gray wackestone

• Brown-gray with hematite partings, fine-grained massive wackestone. Top surface is highly karsted. Micritic wackestone with blocky spar in fractures. Top surface is porous grainstone with 10% quartz, fossils abraded and some micritized.

Size class: macrofossils

Primary reference: C. L. Schneider. 2003. Community paleoecology of the Pennsylvanian Winchell Formation, north-central Texas. [J. Alroy/C. Simpson/C. Simpson]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 43989: authorized by John Alroy, entered by Carl Simpson on 30.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Stenolaemata
 Rhabdomesida - Rhomboporidae
Rhombopora sp. Meek 1872
Rhynchonellata
 Athyridida - Athyrididae
Composita sp. Brown 1849
 Terebratulida - Dielasmatidae
Dielasma sp. King 1856
 Spiriferinida - Punctospiriferidae
Punctospirifer sp. North 1920
Strophomenata
 Productida - Productellidae
Antiquatonia sp. Miloradovich 1945
 Productida - Linoproductidae
 Strophomenida - Rugosochonetidae
Chonetinella sp. Ramsbottom 1952
 Orthotetida - Derbyiidae
Derbyia sp. Waagen 1884