Ocuilapa de Juárez, Ocozocoautla Fm (Cretaceous of Mexico)

Where: Mexico (16.8° N, 93.4° W: paleocoordinates 21.9° N, 75.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ocozocoautla Formation, Maastrichtian (72.1 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; limestone and conglomerate

• This formation is mainly composed of conglomerate and sandstone at its base,

•grading upwards into fossil rich limestone in its middle part, and sandstone at the top, indicating a varying water depth. The corals are found in the limestone.

• conglomerate and sandstone at its base, grading upwards into fossil rich limestone

Size classes: macrofossils, mesofossils

Collection methods: The samples were collected somewhat to the west of sample location 5 (Filkorn et al., 2005) from an small area where vegetation were removed.

Primary reference: H. Löser. 2012. Corals from the Maastrichtian Ocozocoautla Formation (Chiapas, Mexico) – a closer look. Revista Mexicana de Ciencias Geológicas 29(4):534-550 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 145214: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 29.05.2013, edited by Wolfgang Kiessling

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Agatheliidae
Multicolumnastraea sp. Vaughan 1899 stony coral
Multicolumnastraea cyathiformis Duncan 1865 stony coral
 Scleractinia - Meandrinidae
Dichocoenia sp. Milne-Edwards and Haime 1848 stony coral
"Favioseris anomalos" = Dichocoenia anomalos Wells 1934 stony coral
 Scleractinia - Actinacididae
Actinacis magna Alloiteau 1958 stony coral
 Scleractinia - Siderastreidae
 Scleractinia - Felixaraeidae
 Scleractinia - Actinastreidae
 Scleractinia - Microsolenidae
? Microsolena sp. Lamouroux 1821 stony coral