Grier Ls. Mbr, Lexington Ls, central KY (Ordovician of the United States)

Where: Kentucky (37.6° N, 84.8° W: paleocoordinates 27.5° S, 63.5° W)

• coordinate based on political unit

When: Corynoides americanus graptolite zone, Grier Limestone Member (Lexington Limestone Formation), Chatfieldian (453.8 - 451.0 Ma)

• Section 89, Tyrone A; M5B

• member-level stratigraphic resolution

Environment/lithology: calcareous limestone

• wavy/nodular ls, fossiliferous, poorly sorted, irregular, shale partings, interbedded calcisiltites or calcarenites.

Size class: macrofossils

Preservation: replaced with silica

Primary reference: E. R. Cressman. 1973. Lithostratigraphy and depositional environments of the Lexington Limestone (Ordovician) of central Kentucky. USGS Professional Paper 768:1-61 [M. Patzkowsky/M. Patzkowsky/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 10722: authorized by Mark Patzkowsky, entered by Zack Krug on 15.06.2001, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Bucanapsis sp., Ambochia sp.
Gastropoda
 Bellerophontida - Tropidodiscidae
Tropidodiscus sp.
Tropidodiscus sp. Meek and Worthen 1866 snail
 Bellerophontida - Bucaniidae
Bucania sp.
Bucania sp. Hall 1847 snail
 Bellerophontida - Pterothecidae
Carinaropsis sp.
Carinaropsis sp. Hall 1847 snail
 Murchisoniina - Eotomariidae
? Liospira sp., Eotomaria sp.
? Liospira sp. Ulrich and Scofield 1897 snail
Eotomaria sp. Ulrich and Scofield 1897 snail
 Murchisoniina - Lophospiridae
Loxoplocus sp.
Loxoplocus sp. Fischer 1885 snail
 Murchisoniina -
Murchisonioidea indet.
Murchisonioidea indet. Koken 1896 snail
Tergomya
 Archinacellida - Archinacellidae
Archinacella sp.
Archinacella sp. Ulrich and Scofield 1897
 Cyrtonellida - Cyrtolitidae
Cyrtolites sp.
Cyrtolites sp. Conrad 1838
Bivalvia
 Solemyida - Ctenodontidae
Ctenodonta sp.
Ctenodonta sp. Salter 1852 clam
 Cyrtodontida - Cyrtodontidae
Vanuxemia sp., Cyrtodonta sp.
Vanuxemia sp. Billings 1858 clam
Cyrtodonta sp. Billings 1858 clam
Strophomenata
 Strophomenida - Rafinesquinidae
Rafinesquina sp.
Rafinesquina sp. Hall and Clarke 1892
Rhynchonellata
 Orthida - Heterorthidae
Heterorthina sp.
Heterorthina sp. Bancroft 1928
 Orthida - Plectorthidae
Hebertella sp.
Hebertella sp. Hall and Clarke 1892
 Rhynchonellida - Rhynchotrematidae
Rhynchotrema sp.
Rhynchotrema sp. Hall 1860
 Atrypida - Anazygidae
Zygospira sp., Zygospira cf. modesta
Zygospira sp. Hall 1862