Also known as API-5
Where: Oaxaca, Mexico (17.6° 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, gray, calcareous sandstone and lithified, brown shale
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 44297: authorized by John Alroy, entered by Carl Simpson on 08.09.2004, edited by Pedro Monarrez
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Anthozoa indet. Ehrenberg 1834 | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Bivalvia | |
Astartella concentrica Conrad 1842 clam | |
Edmondia ovata Meek and Worthen 1873 clam | |
Ectogrammysia prolata Hoare 1993 clam | |
"Myalinella mieeki" = Myalina (Myalinella), Septimyalina sp.
"Myalinella mieeki" = Myalina (Myalinella) clam
Septimyalina sp. Newell 1942 clam | |
Aviculopecten cf. basilicus Newell 1938 scallop | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Strophomenata | |
Linoproductus sp. Chao 1927 | |
Trilobita | |
Trilobita indet. Walch 1771 trilobite | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily |