Where: Chiapas, Mexico (17.1° N, 92.7° W: paleocoordinates 17.8° N, 86.0° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Ixtaclum Shale Formation (La Esperanza Group), Late/Upper Eocene (37.2 - 33.9 Ma)
• bed-level stratigraphic resolution
Environment/lithology: deep subtidal; lithified wackestone
Size classes: macrofossils, microfossils
Collection methods: peel or thin section,
Primary reference: S. H. Frost and R. L. Langenheim, Jr. 1974. Cenozoic Reef Biofacies. Chicago, Northern Illinois University Press 1-388 [W. Kiessling/W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 85732: authorized by Wolfgang Kiessling, entered by Uta Merkel on 14.01.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
| Anthozoa | |
|
Leptomussa sp. d'Archiardi 1867 stony coral | |
Cladocora bosquensis n. sp., Antillia clarki
Cladocora bosquensis n. sp. Frost and Langenheim 1974 stony coral
Antillia clarki Durham 1946 stony coral | |
Trochocyathus mexicanum n. sp.
Trochocyathus mexicanum n. sp. Frost and Langenheim 1974 stony coral | |
Madracis johnwellsi n. sp.
Madracis johnwellsi n. sp. Frost and Langenheim 1974 stony coral | |
|
Acropora sp. Oken 1815 stony coral
Astreopora (Astreopora) spinulosum n. sp. Frost and Langenheim 1974 stony coral | |
"Trochoseris cf. meinzeri" = Trochoseris aperta
"Trochoseris cf. meinzeri" = Trochoseris aperta Duncan 1864 stony coral | |
|
Antilloseris cantabrigiensis Vaughan 1899 stony coral | |
| Foraminifera | |