Faunal assemblages from Unit 3 - Patlanoaya Fm, San Salvador ( of Mexico)

Also known as Mexican Institute of Geology (IGM), specimens 7757a-f

Where: Puebla, Mexico (19.3° N, 98.5° W: paleocoordinates 11.9° S, 47.0° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Patlanoaya Formation, Virgilian to Virgilian (303.4 - 303.4 Ma)

• immediately below a massive, slightly dolomitized bioclastic grainstone, at the top of Unit 3

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; shelly/skeletal siltstone

• All of unit 3 interpreted as 'outer to inner carbonate ramp setting'

Preservation: mold/impression, original calcite

Primary reference: C. Esquivel-Macias, W. I. Ausich, B.E. Buitron-Sanchez and A. Flores Dios. 2000. Pennsylvanian and Mississippian pluricolumnal assemblages (class Crinoidea) from southern Mexico and a new occurrence of a column with a tetralobate lumen. Journal of Paleontology 74(6):1187-1190 [S. Holland/S. Holland/S. Holland]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40465: authorized by Mark Patzkowsky, entered by James Bonelli on 23.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Fusulinoidea -
 Fusulinoidea - Schwagerinidae
Triticites cullomensis Dunbar and Condra 1927
Crinoidea indet. Miller 1821 Sea lily
Pluricolumnal A
 Productida - Productellidae
 Productida - Productidae