Site IGM-2781, Tlayúa Quarry (Cretaceous of Mexico)

Also known as Tlayua Quarry

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

• 35-meter sequence of honey-colored, micritic, laminated limestone, with characteristic red, hematitic limestone layers that bear a great diversity of invertebrates and vertebrates

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Paleontological Museum of the Instituto de Geologia, Universidad Nacional Autonomia de Mexico (IGM UNAM)

Primary reference: J. Alvarado-Ortega and M. P. Melgarejo-Damián. 2017. Paraclupea seilacheri sp. nov., a double armored herring (Clupeomorpha, Ellimmichthyiformes) from the Albian limestones of Tlayúa quarry, Puebla, Mexico. Revista Mexicana de Ciencias Geológicas 34:234-249 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 221636: authorized by Matthew Clapham, entered by Matthew Clapham on 18.08.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Ellimmichthyiformes - Paraclupeidae
Paraclupea seilacheri Alvarado-Ortega and Melgarejo-Damián 2017