El Madrono (Laguna Colorada), El Abra Formation, central Mexico (Cretaceous of Mexico)

Also known as Reef 3530

Where: Mexico (21.3° N, 99.1° W: paleocoordinates 19.4° N, 64.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: El Abra Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• W part of the Valles-San Luis Potosi Platform; El Abra Formation includes the Taninul facies (reefal environment at the margin of the platform) and the El Abra facies (lagoonal or back reef environment)

Size class: macrofossils

Primary reference: P. Garcia-Barrera. 2006. Rudists of Mexico: Historical Aspects and Selected Areas of Research. in F. J. Vega, T. G. Nyborg et al., eds., Studies on Mexican Paleontology, Vol. 24 of Topics in Geobiology, Springer, Dordrecht, Netherlands 61-78 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64213: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.09.2006, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Hippuritida - Requieniidae
Requienia sp. Matheron 1842 rudist
 Hippuritida - Caprinuloideidae
Mexicaprina quadrata Alencaster and Oviedo-Garcia 1998 rudist
Caprinuloidea perfecta Palmer 1928 rudist
Muellerriedia sp.1 Alencaster 1998 rudist
Muellerriedia boesei Alencaster 1998 rudist
listed as Mullerriedia boesei
Kimbleia albrittoni Perkins 1961 rudist
Guzzyella "sp. 2"1 Alencaster 1998 rudist
Guzzyella "sp. 1"1 Alencaster 1998 rudist
Guzzyella acuminata Alencaster 1998 rudist
Guzzyella bisulcata Alencaster 1998 rudist
Jalpania queretana2 Alencaster and Aguilar-Perez 1995 rudist
 Hippuritida - Caprinidae
 Hippuritida - Radiolitidae
 Hippuritida - Monopleuridae