Where: Cajamarca, Peru (6.6° S, 78.7° W: paleocoordinates 13.3° S, 54.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yumagual Formation (Pulluicana Group), Cenomanian (100.5 - 93.9 Ma)

• Collection from a 76 m thick limestone unit, lying below the Choro Member of the Mujarrun Formation (early Cenomanian) and above the Pariatambo Formation (middle Albian). The member is as much as 760 m thick in the region. The formation contains two biozones, a lower zone with late Albian index taxa, and an upper zone with early Cenomanian fauna.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, concretionary, shelly/skeletal, gray, blue limestone and poorly lithified, concretionary, shelly/skeletal, carbonaceous marl

Size class: macrofossils

Reposited in the AMNH

Collection methods: quarrying,

• Collections reposited at AMNH.

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 56906: authorized by Austin Hendy, entered by Austin Hendy on 28.11.2005

Creative Commons license: CC BY (attribution)