Chacay Melehue (Late Bathonian) (Jurassic of Argentina)
Where: Neuquen, Argentina (37.2° S, 70.5° W: paleocoordinates 34.8° S, 32.2° W)
• outcrop-level geographic resolution
When: Steinmanni zone, Late/Upper Bathonian (167.7 - 164.7 Ma)
• formation name not given
• member-level stratigraphic resolution
Environment/lithology: marine; concretionary shale
• inoceramids preserved as internal molds
no paleoenvironmental data
• dark shales with concretionary levels and thin intercalated tuffaceous beds
Primary reference: S. E. Damborenea. 1990. Middle Jurassic inoceramids from Argentina. Journal of Paleontology 64(5):736-759 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 4881: authorized by John Alroy, entered by John Alroy on 28.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
• composite of material from at least six collections spanning nearly 100 m
Show authors, comments, and common names
| Cephalopoda | |
|
Choffatia aff. aequalis ammonite
Choffatia jupiter Steinmann 1881 ammonite | |
Eurycephalites sp., "Lilloetia steinmanni" = Lilloettia, Xenocephalites neuquensis, ? Iniskinites cf. cadoceroides, ? Iniskinites subtransiens
Eurycephalites sp. ammonite
"Lilloetia steinmanni" = Lilloettia ammonite
Xenocephalites neuquensis Stehn 1923 ammonite
? Iniskinites cf. cadoceroides ammonite
? Iniskinites subtransiens ammonite | |
| Bivalvia | |
|
Bositra ornati oyster | |