Chacay Melehue, CM3, Lotena Formation, Neuquen (Jurassic of Argentina)

Where: Argentina (37.2° S, 70.4° W: paleocoordinates 34.5° S, 32.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lotena Formation, Early/Lower Oxfordian (161.2 - 155.7 Ma)

• cordatum zone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• sandy and marly limestone

Size class: macrofossils

Primary reference: H. Parent, G. Schweigert, and G. Melendez. 2006. Oxfordian perisphinctid ammonites from Chacay Melehue, Argentina. Palaeontologische Zeitschrift 80(4):307-324 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 68160: authorized by Wolfgang Kiessling, entered by Uta Merkel on 05.01.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Aspidoceratidae
Peltoceratoides pressulus Leanza 1947 ammonite
 Ammonitida - Perisphinctidae
"Tenuisphinctes herreroduclouxi" = Cubasphinctes herreroduclouxi
"Tenuisphinctes herreroduclouxi" = Cubasphinctes herreroduclouxi Leanza 1947 ammonite