Mid Cow Creek, Locality A: Frasnian, Missouri

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Lucinida - Mactromyidae
Paracyclas rowleyi
13 specimens: composite molds
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Cupularostrum omaliusi
Rode and Lieberman 2004
see common names

Geography
Country:United States State/province:Missouri County:Callaway
Coordinates: 38.8° North, 91.9° West (view map)
Paleocoordinates:33.3° South, 39.4° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Devonian Epoch:Late/Upper Devonian
Stage:Frasnian 10 m.y. bin:Devonian 4
*Period:Late/Upper Devonian *Local age/stage:Chemung
Key time interval:Frasnian
Age range of interval:382.70000 - 372.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Snyder Creek Shale
Stratigraphic resolution:group of beds
Stratigraphy comments: Senecan series, Chemung stage (local).
Lithology and environment
Primary lithology: lithified calcareous "shale"
Secondary lithology: "limestone"
Environment:marine indet.
Geology comments: Varies from highly calcareous shale to impure limestone.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:PELECYPODS ONLY. Preserved almost entirely as free articulated individuals which may consist of either internal molds, external molds, composite molds, or, in a few specimens, original shell material.
Metadata
Database number:3943
Authorizer:J. Alroy, A. Stigall Enterer:M. Sommers, A. Stigall
Modifier:C. Visaggi Research group:marine invertebrate
Created:1999-08-11 22:45:13 Last modified:2004-03-11 16:25:09
Access level:the public Released:2000-11-20 13:53:21
Creative Commons license:CC BY
Reference information

Primary reference:

269. A. L. McAlester. 1963. Pelecypods of the Snyder Creek Shale (Upper Devonian) of Missouri. Journal of Paleontology 37(5):981-999 [J. Alroy/M. Sommers/J. Alroy]

Secondary references:

14402 A. L. Rode and B. S. Lieberman. 2004. Using GIS to unlock the interactions between biogeography, environment, and evolution in middle and Late Devonian brachiopods and bivalves. Palaeogeography, Palaeoclimatology, Palaeoecology 211(3-4):345-359 [A. Stigall/A. Stigall/A. Stigall]