Aroyo de la Atarjea, rudist-coral reef, Mexico (Cretaceous of Mexico)

Also known as Reef 3328

Where: Mexico (22.0° N, 99.6° W: paleocoordinates 28.3° N, 80.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Member (Cardenas Formation), Maastrichtian (72.1 - 66.0 Ma)

• Probably middle/late Maastrichtian

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified framestone and lithified rudstone

• Mixed Coral-rudist reef. Corals and rudists often in growth position. Reef sediment with rudstones, packstones and wackestones with unsorted, angular fragments of rudists, corals, gastropds and non-rudist bivalves.

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: A. Schafhauser, S. Götz, R. Baron-Szabo and W. Stinnesbeck. 2003. Depositional environment of coral-rudist associations in the Upper Cretaceous Cardenas Formation (central Mexico). Geologica Croatica 56(2):187-198 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 38870: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 12.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Pectinida - Neitheoidae
Neithea sp.
Neithea sp. Drouet 1824 scallop
 Hippuritida - Radiolitidae
Tampsia floriformis, Bournonia cardenasensis, Biradiolites sp.
Biradiolites sp. d'Orbigny 1850 rudist
 Hippuritida - Hippuritidae
Hippurites muellerriedi, Hippurites ceibarum
 Hippuritida - Plagioptychidae
Coralliochama gboehmi
Anthozoa
 Scleractinia - Siderastreidae
Siderastrea adkinsi
Siderastrea adkinsi Wells 1934 stony coral
 Scleractinia - Actinacididae
Actinhelia elegans, "Actinacis parvistella" = Actinacis martiniana, Actinacis haueri
Actinhelia elegans Goldfuss 1826 stony coral
"Actinacis parvistella" = Actinacis martiniana d’Orbigny 1850 stony coral
Actinacis haueri Reuss 1854 stony coral
 Scleractinia - Brachyphylliidae
Dermosmiliopsis orbignyi
Dermosmiliopsis orbignyi Alloiteau 1952 stony coral
 Scleractinia - Merulinidae
Dictuophyllia conferticostata, Cladocora gracilis
Dictuophyllia conferticostata Vaughan 1899 stony coral
Cladocora gracilis d'Orbigny 1850 stony coral
 Scleractinia - Placocoeniidae
Placocoenia major
Placocoenia major Felix 1903 stony coral
 Scleractinia - Agatheliidae
Multicolumnastraea cyathiformis
Multicolumnastraea cyathiformis Duncan 1865 stony coral