Vallecillo [Vallecillo Platy Limestone Mbr, Agua Nueva Fm] (Cretaceous of Mexico)

Where: Nuevo León, Mexico (26.8° N, 100.1° W: paleocoordinates 28.1° N, 69.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Vallecillo Platy Limestone Member (Agua Nueva Formation), Early/Lower Turonian (93.5 - 89.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Vallecillo Platy Limestone of the Agua Nueva Formation. AGE: Early Turonian, on the basis of ammonite (P. flexurosum), inoceramid (M. puebloensis) and planktonic foraminiferal (W. archaeocretacea) biostratigraphic zonation. STRATIGRAPHIC POSITION: From 2.08 m above base of section.

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, ferruginous limestone

• ENVIRONMENT: Outer shelf conditions, low oxygen.
• SPECIFIC LITHOLOGY: Platy limestone with iron oxide layers. LITHIFICATION: Lithified on the basis of figured specimens and facies description.

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTOR: Not stated in text. REPOSITORY: Universidad Autónoma de Nuevo León, Facultad de Ciencias de le Tierra (UANL-FCT).

Primary reference: D. Fuchs, C. Ifrim, and W. Stinnesbeck. 2008. A new Palaeoctopus (Cephalopoda: Coleoidea) from the Late Cretaceous of Vallecillo, north-eastern Mexico, and implications for the evolution of Octopoda. Palaeontology 51(5):1129-1139 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84950: authorized by Austin Hendy, entered by Austin Hendy on 18.11.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to Coleoidea. Inoceramids and ammonites may be present. NOMENCLATURE: Authoritative publication with modern nomenclature and species-resolution identification.
 Cirroctopoda - Palaeoctopodidae
Palaeoctopus pelagicus n. sp. Fuchs et al. 2008