Arroyo de Las Pulgas-6 (Carboniferous to of Mexico)

Also known as API-6

Where: Oaxaca, Mexico (17.5° N, 97.1° W: paleocoordinates 15.7° S, 50.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Ixaltepec Formation, Morrowan to Morrowan (323.2 - 306.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, brown, yellow shale and lithified, green, calcareous sandstone

• Dark brown and yellow shale interbedded with olive green calcareous sandstone, which turns to light brown when weathered. At 180 m above base.

Size class: macrofossils

Primary reference: S. A. Quiroz-Barroso and M. Del Carmen Perrilliat. 1998. Pennsylvanian bivalves from the Ixaltepec formation, Mexico. Journal of Paleontology 72(6):1011-1024 [J. Alroy/C. Simpson/C. Simpson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 44324: authorized by John Alroy, entered by Carl Simpson on 08.09.2004, edited by Pedro Monarrez

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Kalenteridae
 Pectinida - Limipectinidae
Limipecten cf. texanus Girty 1904 scallop
 Pectinida - Aviculopectinidae
Aviculopecten cf. basilicus Newell 1938 scallop
 Ostreida - Pterineidae
Leptodesma sp. Hall 1883 oyster
Strophomenata
 Productida - Linoproductidae