Silica Formation Unit 11: Givetian, Ohio
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
- Auloporida
- Aulocystidae
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Aulocystis flabellata
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Anthozoa
- Auloporida
- Auloporidae
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Planalveolitella parasitica
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Trilobita
- Phacopida
- Phacopidae
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Phacops rana
(Green 1832)
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recombined as Eldredgeops rana | |||||||
Malacostraca
- Archaeostraca
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Echinocaris punctata
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Rhinocaris ehlersi
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Lingulata
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Lingulata indet.
Gorjansky and Popov 1985
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Strophomenata
- Strophomenida
- Chonetidae
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Devonochonetes fragilis
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Devonochonetes coronatus
(Hall 1857)
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? Devonochonetes scitulus
(Hall 1857)
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Rhynchonellata
- Spiriferida
- Mucrospiriferidae
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Mucrospirifer prolificus
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Rhynchonellata
- Spiriferida
- Hysterolitidae
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Paraspirifer bownockeri
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Rhynchonellata
- Spiriferinida
- Cyrtinidae
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Cyrtina "hamiltonensis"
(Hall 1857)
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Stenolaemata
- Trepostomida
- Atactotoechidae
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Leptotrypella ohioensis
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Stenolaemata
- Cystoporida
- Sulcoreteporidae
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Sulcoretepora deissi
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Sulcoretepora incisurata
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Stenolaemata
- Cryptostomata
- Arthrostylidae
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Helopora inexpectata
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Stenolaemata
- Cryptostomata
- Hyphasmoporidae
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Streblotrypa anomala
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Stenolaemata
- Cyclostomata
- Hederellidae
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Hederella alpenensis
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Hederella cirrhosa
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Stenolaemata
- Cyclostomata
- Reptariidae
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Reptaria stolonifera
Rolle 1851
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Tentaculitida
- Tentaculitidae
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Tentaculites bellulus
Hall 1876
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Tentaculita
- Styliolinida
- Styliolinidae
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Styliolina fissurella
(Hall 1879)
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Bivalvia
- Ostreida
- Pterineidae
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Actinodesma erectum
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Leptodesma (Leiopteria) ausablensis
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Ptychopteria (Actinopteria) boydi
(Conrad 1842)
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Cornellites flabellum
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Bivalvia
- Pectinida
- Pterinopectinidae
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Pterinopecten (Pterinopecten) undosus
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Lyriopecten mitchelli
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Pseudaviculopecten scabridus
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Pseudaviculopecten fasciculatus
(Hall 1883)
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Bivalvia
- Solenida
- Orthonotidae
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Orthonota undulata
Conrad 1841
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Glossites subtenuis
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Modiomorpha concentricum
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Bivalvia
- Lucinida
- Mactromyidae
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Paracyclas lirata
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Gastropoda
- Euomphalina
- Platyceratidae
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Platyceras (Platyostoma) cf. lineatum
(Conrad 1842)
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corrected as Platyostoma lineata | |||||||
Crinoidea
- Taxocrinida
- Taxocrinidae
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Eutaxocrinus wideneri
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Crinoidea
- Poteriocrinidae
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? Logocrinus ? brandoni
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Crinoidea
- Monobathrida
- Hexacrinitidae
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Arthroacantha carpenteri
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Crinoidea
- Diplobathrida
- Rhodocrinitidae
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Gilbertsocrinus ohioensis
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Gilbertsocrinus alpenensis
Ehlers 1925
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Blastoidea
- Pentremitida
- Hyperoblastidae
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Hyperoblastus reimanni
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Stenuroidea
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Antiquaster magrumi
Kesling 1971
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see common names |
Geography
Country: | United States | State/province: | Ohio |
Coordinates: | 41.7° North, 83.7° West (view map) | ||
Paleocoordinates: | 36.4° South, 31.0° West | ||
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: | 387.70000 - 382.70000 m.y. ago |
Stratigraphy
Formation: | Silica |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | gray calcareous "shale" |
Lithology description: Overall sequence: Bioclastic limestone; argillaceous limestone; shale. This unit: "shale, calcareous, gray, many marcasite concretions, weathering into angular fragments" | |
Environment: | marine indet. |
Taphonomy
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Metadata
Database number: | 38462 | ||
Authorizer: | M. Foote | Enterer: | M. Foote |
Modifier: | M. Foote | Research group: | marine invertebrate |
Created: | 2004-04-21 20:35:53 | Last modified: | 2006-09-13 14:01:03 |
Access level: | the public | Released: | 2004-04-21 20:35:53 |
Creative Commons license: | CC BY |
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] |