Chumbitaro, MP 18 (Cretaceous to of Mexico)

Where: Guerrero, Mexico (18.5° N, 100.7° W: paleocoordinates 17.4° N, 68.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Upper Member (Mal Paso Formation), Late/Upper Albian to Late/Upper Albian (105.3 - 93.5 Ma)

• unit MP 18 above a zone with abundant echinoids

• bed-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified wackestone

• deeper perireefal deposit
• 1 m thick bed of fine-grained wackestone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: H. F. Filkorn and J. Pantoja-Alor. 2009. Cretaceous corals from the Huetamo region, Michoacan and Guerrero, southwestern Mexico. Universidad Nacional Autonoma de Mexico, Instituto de Geologia, Boletin 116:1-169 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85295: authorized by Wolfgang Kiessling, entered by Uta Merkel on 11.12.2008, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

 Globigerinina - Rotaliporidae
 Textulariina - Nezzazatidae
 Scleractinia - Cyclolitidae
Paracycloseris effrenatus n. sp. Filkorn and Pantoja-Alor 2009 stony coral
 Scleractinia - Dendrophylliidae
Blastozopsammia guerreroterion n. gen. n. sp.1 Filkorn and Pantoja-Alor 2004 stony coral