Where: Cajamarca, Peru (7.5° S, 78.2° W: paleocoordinates 11.7° S, 48.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Inca Formation, Early/Lower Albian (112.0 - 109.0 Ma)
• STRATIGRAPHIC RELATIONS: From the Inca Fm, which locally overlies the Farrat Fm. AGE: Early Albian, on the basis of ammonite biostratigraphy; Neodeshayesites umbilicostatus zone. STRATIGRAPHIC POSITION: From sample 9c, near middle of section.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified shale
Size class: macrofossils
Preservation: mold/impression
Collected by Robert
Collection methods: surface (float),
• COLLECTOR: E. Robert, 1995-1999. REPOSITORY: ISEM
Primary reference: E. Robert and L. G. Bulot. 2005. Albian ammonite faunas from Peru: The genus Neodeshaesites Casey, 1964. Journal of Paleontology 79(3):611-618 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 88517: authorized by Austin Hendy, entered by Austin Hendy on 13.04.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Scabrotrigonia scabra" = Pterotrigonia (Scabrotrigonia) scabra
"Scabrotrigonia scabra" = Pterotrigonia (Scabrotrigonia) scabra Lamarck 1819 clam | |
Ceratostreon flabellum oyster | |
Cephalopoda | |
Hamites sp. Parkinson 1811 ammonite | |
Douvilleiceras rex ammonite | |
Neodeshayesites sp., Neodeshayesites inti, "Neodeshayesites umbilicostatus" = Immunitoceras umbilicostatus
Neodeshayesites sp. Casey 1964 ammonite
Neodeshayesites inti Benavides-Caceres 1956 ammonite
"Neodeshayesites umbilicostatus" = Immunitoceras umbilicostatus Scott 1940 ammonite | |
Echinoidea | |
Heteraster obliquatus heart urchin
Heteraster roseheni heart urchin |