Muhi quarry (Cretaceous to of Mexico)

Where: Hidalgo, Mexico (20.8° N, 99.3° W: paleocoordinates 18.9° N, 64.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: La Negra Member (El Doctor Formation), Albian to Albian (113.0 - 93.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified lime mudstone

• Open marine basin with a hypersaline and/or poorly oxygenated bottom
• Light gray micritic limestone sequence with intercalated black chert lenses

Size class: macrofossils

Preservation: adpression

Collected in 1998-present

• Repository: Museo de Paleontología, Centro de Investigaciones Biológicas, Universidad Autónoma del Estado de Hidalgo (UAHMP)

Primary reference: R. M. Feldmann, F. J. Vega, L. Martinez-Lopez, K. A. Gonzalez-Rodrigues, O. Gonzalex-Leon and M. Rosario Fernandez-Barajas. 2007. Crustacea from the Muhi Quarry (Albian-Cenomanian), and a review of Aptian Mecochiridae (Astacidea) From Mexico. Annals of Carnegie Museum 76(3):145-156 [C. Schweitzer/E. Johnson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135815: authorized by Shanan Peters, entered by Sharon McMullen on 10.11.2012, edited by Tom Hegna and Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Thylacocephala
  -
Polzia eldoctorensis2 Hegna et al. 2014
Victoriacaris muhiensis2 Hegna et al. 2014
Malacostraca
 Decapoda - Aegeridae
Aeger hidalguensis n. sp. Feldmann et al. 2007 decapod
 Decapoda - Palinuridae
Palinurus sp. Weber 1795 spiny lobster
Actinopteri
 Salmoniformes - Enchodontidae
Enchodus zipapanensis n. sp.1 Fielitz and González-Rodríguez 2010