Where: Nebraska (41.5° N, 99.9° W: paleocoordinates 39.1° N, 57.2° W)
• coordinate based on nearby landmark
When: Cretaceous (145.0 - 66.0 Ma)
Environment/lithology: marine; claystone
Size classes: macrofossils, mesofossils
Primary reference: J. Hall and F. B. Meek. 1855. Descriptions of New Species of Fossils, from the Cretaceous Formations of Nebraska, with Observations upon Baculites ovatus and B. compressus, and the Progressive Development of the Septa in Baculites, Ammonites, and Scaphites. Memoirs of the American Academy of Arts and Sciences 5(2):379-411 [M. Clapham/H. Shin]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 235728: authorized by Matthew Clapham, entered by Hayden Shin on 25.07.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Baculites ovatus Say 1820 ammonite
Baculites compressus Say 1920 ammonite | |
| Gastropoda | |
|
Acteon concinnus Hall and Meek 1855 snail | |
|
Natica paludinaeformis moon snail
Natica concinna Hall and Meek 1855 moon snail | |
|
Fusus constrictus Hall and Meek 1855 snail
Fusus tenuilineata Hall and Meek 1855 snail | |
|
Rostellaria fusiformis Hall and Meek 1855 true conch | |
|
Capulus occidentalis Hall and Meek 1855 snail | |
| Bivalvia | |
Nucula subnasuta, "Nucula ventricosa" = Nuculopsis girtyi
Nucula subnasuta Hall and Meek 1855 nut clam
"Nucula ventricosa" = Nuculopsis girtyi Schenck 1934 nut clam | |
"Inoceramus tenuilineatus" = Inoceramus (Cataceramus) tenuilineatus, Inoceramus convexus
"Inoceramus tenuilineatus" = Inoceramus (Cataceramus) tenuilineatus Hall and Meek 1855 clam
Inoceramus convexus Hall and Meek 1855 clam | |
|
Pecten rigida Hall and Meek 1855 scallop | |
|
Caprinella coraloidea rudist | |
|
Lucina subundata Hall and Meek 1855 clam | |
| Scaphopoda | |
|
Dentalium grascilis tusk shell | |