Where: Lyon County, Minnesota (44.3° N, 95.9° W: paleocoordinates 43.7° N, 58.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Turonian (93.9 - 89.8 Ma)
• STRATIGRAPHIC RELATIONS: From an unnamed lithostratigraphic unit, for which stratigraphic relations are not discussed. AGE: Turonian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: From between 50 & 70 m in section.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, concretionary, ferruginous claystone
Size class: macrofossils
Preservation: concretion
Reposited in the USNM
Collection methods: core,
• COLLECTOR: Not stated in text. REPOSITORY: USNM.
Primary reference: W. A. Cobban. 1983. Molluscan fossil record from the northeastern part of the Upper Cretaceous seaway, Western Interior. United States Geological Survey Professional Paper 1253:1-25 [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 88010: authorized by Austin Hendy, entered by Austin Hendy on 30.03.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Scaphites corvensis Cobban 1951 ammonite |