Hackerberry Grove, south bank of Winnabago River: Frasnian, Iowa

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Gastropoda - Naticopsidae
Gastropoda - Euomphalina - Platyceratidae
Gastropoda - Euomphalina - Palaeotrochidae
Gastropoda - Euomphalina - Holopeidae
Gastropoda - Euomphalina - Omphalotrochidae
Gastropoda - Euomphalina
Gastropoda - Euomphalina - Euomphalidae
Gastropoda
Gastropoda - Murchisoniina - Soleniscidae
see common names

Geography
Country:United States State/province:Iowa County:Cerro Gordo
Coordinates: 43.1° North, 93.2° West (view map)
Paleocoordinates:26.1° South, 55.3° West (Wright 2013)
Geographic resolution:outcrop
Time
Period: Devonian Epoch: Late Devonian
Stage: Frasnian 10 m.y. bin: Devonian 4
Key time interval: Frasnian Brachiopod zone:  Cyrtospirifer whitneyi
Age range of interval: 382.31 - 372.15 m.y. ago
Stratigraphy
Geological group:Hackberry Formation:Lime Creek Member:Cerro Gordo
Stratigraphic resolution:group of beds
Stratigraphy comments: U. Frasnian
Lithology and environment
Primary lithology: lithified calcareous "carbonate"
Includes fossils?Y
Lithology description: nodular calcareous shale
Environment:carbonate indet.
Geology comments: Transgressive-Regressive Cycle IId of Johnson et al. 1985
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Belanski’s Staion 1
Database number:56255
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2005-11-16 08:32:01 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-11-16 08:32:01
Creative Commons license:CC0
Reference information

Primary reference:
15182. C. L. Fenton and M. A. Fenton. 1924. The stratigraphy and fauna of the Hackberry stage of the Upper Devonian. Contributions from the Museum of Geology, the University of Michigan 1(1):1-260 [P. Wagner/P. Wagner]

Secondary references:

15160 J. Day. 1987. Revision, distribution, and extinction of the Middle and early Late Devonian archaeogastropod genera Floyda and Turbonopsis. Journal of Paleontology 61(5):960-973 [P. Wagner/P. Wagner]