Where: Columbia County, Oregon (46.0° N, 123.3° W: paleocoordinates 45.7° N, 112.4° W)
• coordinate estimated from map
When: Keasey Formation, Rupelian (33.9 - 28.1 Ma)
Environment/lithology: offshore; concretionary, tuffaceous siltstone and argillaceous mudstone
Size class: macrofossils
Primary reference: C. Burns, K. A. Campbell, and R. Mooi. 2005. Exceptional crinoid occurrences and associated carbonates of the Keasey Formation (Early Oligocene) at Mist, Oregon, USA. Palaeogeography, Palaeoclimatology, Palaeoecology 227:210-231 [M. Uhen/M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 201484: authorized by Mark Uhen, entered by Mark Uhen on 09.05.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
| |
Crinoidea | |
Isocrinus sp. von Meyer 1836 Sea lily | |
Echinoidea | |
Salenia schencki Zullo et al. 1964 sea urchin | |
"Brisaster" maximums heart urchin | |
Malacostraca | |
Decapoda indet. Latreille 1802 decapod | |
Bivalvia | |
Nucula sp. Lamarck 1799 nut clam
Acila sp. Adams and Adams 1858 divaricate nutclam | |
Poroleda sp. Hutton 1893 pointed nut clam
Litorhadia sp. Stewart 1930 pointed nut clam | |
"Minormalletia sp." = Malletia
"Minormalletia sp." = Malletia des Moulins 1832 clam | |
Yoldia sp. Möller 1842 clam | |
Teredo sp. Linnaeus 1758 clam | |
Erycina sp. Lamarck 1805 clam | |
Tellina sp. Linnaeus 1758 tellin clam | |
Nemocardium sp. Meek 1876 cockle | |
Isognomon sp. Lightfoot 1786 oyster | |
Propeamussium sp. de Gregorio 1884 mud scallop | |
Delectopecten sp. Stewart 1930 scallop | |
Crenella sp. Brown 1827 clam | |
Scaphopoda | |
Fustiaria sp. Stoliczka 1868 tusk shell | |
Dentalium sp. Linnaeus 1758 tusk shell | |
Gastropoda | |
Scaphander sp. Monfort 1810 snail | |
Naticidae indet. Guilding 1834 moon snail | |
Argobuccinum sp. Bruguière 1792 triton shell
Fusitriton sp. Cossmann 1903 triton shell | |
Conomitra sp. Conrad 1865 ribbed mitre | |
Fusinus sp. Rafinesque 1815 snail | |
| |
Acmaea sp. Eschscholtz 1830 limpet | |
? Bathybembix sp. Crosse 1892 snail | |
Anthozoa | |
Flabellum hertleini Durham 1942 stony coral | |
unclassified | |
|