Huanzola, Huanunco (Cretaceous of Peru)

Where: Peru (9.9° S, 77.0° W: paleocoordinates 15.4° S, 49.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pariatambo Formation, Middle Albian (109.0 - 105.3 Ma)

• Either a condensed assemblage spanning uppermost Lower Albian and lowermost Middle Albian, or simply Middle Albian (based on range of P. ulrichi and E. aegoceratoides). Range of P. mathewsi is not clear from range charts in Robert (2002).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black, carbonaceous limestone

• Black bituminous limestone

Size class: macrofossils

Reposited in the OUM

Primary reference: W. J. Kennedy and H. C. Klinger. 2008. Cretaceous faunas from Zululand and Natal, South Africa. The ammonite subfamily Lyelliceratinae Spath, 1921. African Natural History 4:57-111 [L. Bulot/L. Bulot/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177182: authorized by Matthew Clapham, entered by Matthew Clapham on 22.03.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Lyelliceratidae
Eubrancoceras aegoceratoides Steinmann 1881 ammonite
 Ammonitida - Prolyelliceratidae
Prolyelliceras ulrichi Knechtel 1947 ammonite
Prolyelliceras mathewsi Knechtel 1947 ammonite
 Ammonitida - Mojsisovicsiidae
Oxytropidoceras sp. Stieler 1920 ammonite