00-FNU-29.4: Chatfieldian, Kentucky

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Murchisoniina - Lophospiridae
Lophospiridae indet. Wenz 1938
4 individuals
Gastropoda - Bellerophontida - Sinuitidae
Sinuites cancellatus (Hall 1847)
1 individual
Bivalvia
Bivalvia indet. Linnaeus 1758
2 individuals
Strophomenata - Strophomenida
Strophomenida indet. Opik 1934
6 individuals
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina sp. Hall and Clarke 1892
2 individuals
Rhynchonellata - Rhynchonellida - Orthorhynchulidae
Orthorhynchula sublinneyi
3 individuals
Rhynchonellata - Orthida - Platystrophiidae
Platystrophia sp. King 1850
5 individuals
Rhynchonellata - Atrypida - Anazygidae
Zygospira modesta (Hall 1847)
5 individuals
Stenolaemata - Trepostomata
Trepostomata indet. Ulrich 1882
31 individuals
bifoliate trepostome
Trepostomata indet. Ulrich 1882
41 individuals
ramose trepostome
Trilobita - Asaphida - Asaphidae
Isotelus sp. Dekay 1824
1 individual
Trilobita - Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936
2 individuals
see common names

Geography
Country:United States State/province:Kentucky County:Franklin
Coordinates: 38.2° North, 84.9° West (view map)
Paleocoordinates:27.0° South, 63.2° West
Basis of coordinate:unpublished field data
Geographic resolution:small collection
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4
*Local age/stage:Chatfieldian
Key time interval:Chatfieldian
Age range of interval:460.90000 - 449.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Lexington Limestone Member:Millersburg
Local section:Frankfort North Upper Local bed:29.4 m
Local order:bottom to top
Regional section:Frankfort, KY
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:bioturbation,phosphatic,shelly/skeletal lithified packstone
Secondary lithology:gray lithified silty mudstone
Includes fossils?Y
Environment:open shallow subtidal Tectonic setting:cratonic basin
Taphonomy
Modes of preservation:body,mold/impression,original calcite,replaced with calcite
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection excludes:all microfossils
Collection methods:observed (not collected)
Collection size:103 individuals
Rock censused:1500 cm2 (area)
Reason for describing collection:paleoecologic analysis
Metadata
Database number:48765
Authorizer:S. Holland Enterer:S. Holland
Research group:marine invertebrate
Created:2005-03-30 10:55:41 Last modified:2005-03-30 13:55:41
Access level:the public Released:2005-03-30 10:55:41
Creative Commons license:CC BY
Reference information

Primary reference:

9838. S. M. Holland and M. E. Patzkowsky. 2004. Ecosystem structure and stability: middle Upper Ordovician of central Kentucky, USA. Palaios 19(4):316-331 [S. Holland/S. Holland/S. Bruning]