Where: Shannon County, Missouri (37.1° N, 91.3° W: paleocoordinates 23.7° S, 81.9° W)
• outcrop-level geographic resolution
When: Van Buren Member (Gasconade Formation), Gasconadian (485.4 - 477.7 Ma)
• The Van Buren Formation (Bridge 1930) is now referred to in an interval sense with the Van Buren fauna comprising a zone in the lowerpart of the Gasconade Formation.
• formation-level stratigraphic resolution
Environment/lithology: lithified chert and dolomite
Size classes: macrofossils, mesofossils
Preservation: recrystallized, original aragonite
Primary reference: E. O. Ulrich, A. F. Foerste, and A.K. Miller. 1943. Ozarkian and Canadian cephalopods. Part II, Brevicones. Geological Society of America Special Papers 49:1-240 [P. Wagner/P. Wagner/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 189357: authorized by Björn Kröger, entered by Björn Kröger on 13.10.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
Dakeoceras corniculum, Dakeoceras magnisiphonatum, Dakeoceras perretrorsum, Dakeoceras divergens, Dakeoceras dilatatum, Dakeoceras normale
Dakeoceras corniculum Ulrich et al. 1943
Dakeoceras magnisiphonatum Ulrich et al. 1943
Dakeoceras perretrorsum Ulrich et al. 1943
Dakeoceras divergens Ulrich et al. 1943
Dakeoceras dilatatum Ulrich et al. 1943
Dakeoceras normale Ulrich and Foerste 1931 | |