Silica Formation Unit 5B: Givetian, Ohio

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Euomphalina - Platyceratidae
Cephalopoda - Orthocerida - Orthoceratidae
"Orthoceras" sp. Breynius 1832
Cephalopoda - Nautilida - Centroceratidae
? Centroceras sp. Hyatt 1884
Cephalopoda - Oncocerida - Acleistoceratidae
Cephalopoda - Barrandeocerida - Nephriticeratidae
Bivalvia - Modiomorphida - Modiomorphidae
Bivalvia - Ostreida - Pterineidae
Bivalvia - Myalinida - Ambonychiidae
Lophonychia cordata Stewart 1933
Sabellida - Serpulidae
Craniata - Craniida - Craniidae
Rhynchonellata - Orthida - Rhipidomellidae
Rhynchonellata - Orthida - Schizophoriidae
Rhynchonellata - Atrypida - Atrypidae
Rhynchonellata - Athyridida - Athyrididae
Rhynchonellata - Tropidoleptidae
Rhynchonellata - Rhynchonellida - Leiorhynchidae
Rhynchonellata - Spiriferinida - Cyrtinidae
Rhynchonellata - Spiriferida - Mucrospiriferidae
Rhynchonellata - Spiriferida - Spinocyrtiidae
Strophomenata - Strophomenida - Strophodontidae
Strophodonta "demissa (Conrad 1842)
Strophomenata - Strophomenida - Chonetidae
Strophomenata - Strophomenida - Leptostrophiidae
Stenolaemata - Cryptostomata - Fenestellidae
Fenestrellina spp. d'Orbigny 1849
Stenolaemata - Cryptostomata
Stenolaemata - Cryptostomata - Hyphasmoporidae
Stenolaemata - Cystoporata - Botrylloporidae
Stenolaemata - Cystoporata - Fistuliporidae
Stenolaemata - Trepostomata - Heterotrypidae
Stenolaemata - Trepostomida - Atactotoechidae
Anomalotoechus sp. Duncan 1939
Stenolaemata - Cystoporida - Sulcoreteporidae
Anthozoa - Favositida - Pachyporidae
Cladopora roemeri (Billings 1860)
Anthozoa - Favositida - Favositidae
Anthozoa - Auloporida - Aulocystidae
Anthozoa - Auloporida - Auloporidae
Aulopora serpens Goldfuss 1829
Anthozoa - Cystiphyllida - Cystiphyllidae
Anthozoa - Stauriida - Disphyllidae
Anthozoa - Stauriida - Amplexidae
Anthozoa - Stauriida - Bethanyphyllidae
Anthozoa - Stauriida - Eridophyllidae
see common names

Geography
Country:United States State/province:Ohio
Coordinates: 41.7° North, 83.7° West (view map)
Paleocoordinates:31.0° South, 50.8° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period: Devonian Epoch: Middle Devonian
Stage: Givetian 10 m.y. bin: Devonian 3
Key time interval: Givetian
Age range of interval: 387.95 - 382.31 m.y. ago
Stratigraphy
Formation:Silica
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:gray,blue argillaceous "limestone"
Lithology description: Overall sequence: Bioclastic limestone; argillaceous limestone; shale. This unit: "limestone, massive, argillaceous, blue-gray, crystalline"
Environment:marine indet.
Taphonomy
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:38455
Authorizer:M. Foote Enterer:M. Foote
Modifier:M. Foote Research group:marine invertebrate
Created:2004-04-21 20:14:58 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-04-21 20:14:58
Creative Commons license:CC0
Reference information

Primary reference:
10310. R. V. Kesling and R. B. Chilman. 1975. Strata and megafossils of the Middle Devonian Silica Formation. University of Michigan Papers on Paleontology 8:1-408 [M. Foote/M. Foote/M. Foote]