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
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
Cephalopoda | |
Oxytropidoceras sp. Stieler 1920 ammonite | |
Eubrancoceras aegoceratoides Steinmann 1881 ammonite | |
Prolyelliceras mathewsi Knechtel 1947 ammonite
Prolyelliceras ulrichi Knechtel 1947 ammonite |