Also known as Tlayua Quarry, Tepexi de Rodrìguez
Where: Puebla, Mexico (18.6° N, 97.9° W: paleocoordinates 16.5° N, 64.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Tlayúa Formation, Late/Upper Albian (105.3 - 99.6 Ma)
• Middle Member. Cantu-Chapa (1987) recognized the genus Hysteroceras, Mortoniceras, and cf. Anisoceras, which represent a typical late Albian ammonite assemblage of the European zone, being similar to the Mortoniceras inflatum zone (Applegate et al., 2006).
• group of beds-level stratigraphic resolution
Environment/lithology: lagoonal or restricted shallow subtidal; lithified, brown, yellow lime mudstone
Size class: macrofossils
Preservation: adpression
Collection methods: Repository: Paleontological Museum of the Instituto de Geologia, Universidad Nacional Autonomia de Mexico (IGM UNAM)
Primary reference: L. Martin-Medrano and P. Garcia-Barrera. 2006. Fossil Ophiuroids of Mexico. In F. J. Vega, T. G. Nybor, M. D. C. Perrillat, M. Montellano-Ballesteros, S. R. S. Cevallos-Ferriz, S. A. Quiroz-Barroso (eds.), Topics in Geobiology 24:115-131 [L. Villier/J. Millet/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 80283: authorized by Loic Villier, entered by Julien Millet on 10.04.2008, edited by Matthew Carrano, Richard Butler, Roger Benson, Matthew Clapham, Jonathan Tennant and Loic Villier
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Ophiuroidea | |
| |
Actinopteri | |
Megalops sp.6 Lacépède 1803 | |
Notelops sp.6 Woodward 1901 | |
Araripichthys weberi n. sp.2
| |
Michin csernai n. gen. n. sp.3
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Ellimmichthys sp.4 Jordan and Gilbert 1919 | |
Armigatus carrenoae n. sp.5
Armigatus carrenoae n. sp.5 Alvarado-Ortega et al. 2020 IGM 11536, 11537, 11538, 11539, 11540, 11541, 11541, 11543
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Ranulfoichthys dorsonudum n. gen. n. sp.1
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Belonostomus sp.6 Agassiz 1834 | |
Tlayuamichin itztli n. gen. n. sp.10
Tlayuamichin itztli n. gen. n. sp.10 López-Arbarello and Alvarado-Ortega 2011 | |
Coelacanthimorpha | |
| |
Reptilia | |
| |
Ornithocheiroidea indet.14 pterosaur Humerus, scapulocoracoids, wing-bones, femur, considered similar to Pteranodon or Nyctosaurus
| |
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Osteichthyes | |
Cipactlichthys scutatus n. gen. n. sp.7
Cipactlichthys scutatus n. gen. n. sp.7 Brito and Alvarado-Ortega 2013 ray-finned fish IGM.6605, 6606
| |
Teoichthys brevipina n. sp.11
Teoichthys brevipina n. sp.11 Machado et al. 2013 ray-finned fish IGM 6741,6742, 6743, 6744, 6745, 6746, 6747, 6604
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Chondrichthyes | |
Tlalocbatos applegatei n. gen. n. sp.8
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Zamites sp.6 Brongniart 1828 | |
Equisetopsida | |
cf. Araucaria sp.6 de Jussieu 1789 |