Where: Shannon County, Missouri (37.1° N, 91.3° W: paleocoordinates 23.7° S, 81.8° 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 189298: authorized by Björn Kröger, entered by Björn Kröger on 10.10.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
Burenoceras compressum, Burenoceras angulare, Burenoceras dickhauti, Burenoceras pumilum, Burenoceras expandum, Dakeoceras dilatatum, Dakeoceras normale, Dakeoceras undulatum, Dakeoceras subcurvatum, Ectenoceras ellipticum
Burenoceras compressum Ulrich et al. 1943
Burenoceras angulare Ulrich et al. 1943
Burenoceras dickhauti Ulrich et al. 1943
Burenoceras pumilum Ulrich et al. 1943
Burenoceras expandum Ulrich and Foerste 1931
Dakeoceras dilatatum Ulrich et al. 1943
Dakeoceras normale Ulrich and Foerste 1931
Dakeoceras undulatum Ulrich et al. 1943
Dakeoceras subcurvatum Ulrich and Foerste 1931
Ectenoceras ellipticum Ulrich et al. 1943 | |