Bed 6, Tamberia section (Cretaceous of Peru)

Where: Peru (7.0° S, 78.1° W: paleocoordinates 11.3° S, 48.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Inca Formation, Early/Lower Albian (112.0 - 109.0 Ma)

• LITHOSTRATIGRAPHY: From the Inca Fm, which overlies the Goyllarisquisga Fm (Aptian), and is overlain by the Chulec Fm (Albian). AGE: Early Albian, on the basis of ammonite biostratigraphy; Parahoplites nicholsoni. STRATIGRAPHIC POSITION: Bed 6 of section.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, ferruginous, ooidal, brown, gray, sandy limestone

• LITHOLOGY: Interbedded brownish gray, brown weathering, oolitic, arenaceous, and ferruginous limestone and yellowish and greenish brown, finely splintery, fossiliferous shale. LITHIFICATION: Lithified, on the basis of facies description.

Size class: macrofossils

Reposited in the AMNH

Collection methods: surface (in situ),


Primary reference: V.E. Benavides-Caceres. 1956. Cretaceous system in northern Peru. Bulletin of the American Museum of Natural History 108(4):1-493 [A. Miller/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 88182: authorized by Austin Hendy, entered by Austin Hendy on 02.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoids, bivalves, and other invertebrates groups. NOMENCLATURE: Authoritative publication, but with somewhat antiquated nomenclature, and species-resolution identifications.
 Ammonitida - Acanthohoplitidae
"Parahoplites nicholsoni" = Neodeshayesites nicholsoni
"Parahoplites nicholsoni" = Neodeshayesites nicholsoni Benavides-Caceres 1956 ammonite
 Ammonitida - Desmoceratidae
Desmoceras chimuense n. sp. Benavides-Caceres 1956 ammonite