Where: Peru (7.2° S, 75.3° W: paleocoordinates 12.9° S, 52.5° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Chonta Formation, Turonian to Turonian (93.9 - 86.3 Ma)
• LITHOSTRATIGRAPHY: From the Chonta Fm, which overlies the Oriente Fm, and is overlain by the Vivian Fm. AGE: Turonian-Coniacian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; black shale and siltstone
Size class: macrofossils
Collection methods: surface (in situ),
• COLLECTOR: Probably Knetchtel and others. REPOSITORY: Unknown.
Primary reference: B. Kummel. 1948. Geological reconnaissance of the Contamana region, Peru. Geological Society America Bulletin 59:1217-1265 [A. Hendy/A. Hendy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 88671: authorized by Austin Hendy, entered by Austin Hendy on 17.04.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Cucullaea andersoni clam
Cucullaea reesideana clam | |
Pholadomya sp. Sowerby 1823 clam | |
Cephalopoda | |
Desmophyllites ellsworthi ammonite | |
Eulophoceras berryi ammonite
Lenticeras lissoni ammonite | |
Tissotia reesideana, Tissotia singewaldi, Tissotia waltheri, Tissotia compressa, Tissotia stephensoni, Tissotia obesa, Tissotia steinmanni, Heterotissotia lissoni
Tissotia reesideana ammonite
Tissotia singewaldi ammonite
Tissotia waltheri ammonite
Tissotia compressa ammonite
Tissotia stephensoni ammonite
Tissotia obesa ammonite
Tissotia steinmanni Lissón 1908 ammonite
Heterotissotia lissoni ammonite | |
Gastropoda | |
Fusinus sp. Rafinesque 1815 snail |