Silica Formation Unit 1: Givetian, Ohio
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Billingsastrea longicarinata
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Rostroconchia
- Conocardiida
- Hippocardiidae
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Conocardium cuneus
(Conrad 1840)
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| recombined as Hoareicardia cunea | |||||||
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Cephalopoda
- Barrandeocerida
- Nephriticeratidae
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? Heracloceras ? inelegans
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? Nephriticeras sp.
Hyatt 1884
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Cephalopoda
- Oncocerida
- Acleistoceratidae
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? Acleistoceras sp.
Hyatt 1884
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Cephalopoda
- Nautilida
- Centroceratidae
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Centroceras sp.
Hyatt 1884
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Gastropoda
- Euomphalina
- Platyceratidae
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Platyceras (Platyostoma) lineatum
(Conrad 1842)
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| corrected as Platyostoma lineata | |||||||
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Gastropoda
- Murchisoniina
- Loxonematidae
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Loxonema sp.
Phillips 1841
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= Loxonematidae sp.
Koken 1889
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Wagner 2023 | ||||||
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Modiomorpha concentrica
(Conrad 1838)
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Modiomorpha mytiloides
(Conrad 1841)
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Bivalvia
- Lucinida
- Mactromyidae
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Paracyclas proavia
(Goldfuss 1834)
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Bivalvia
- Myalinida
- Ambonychiidae
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Gosselettia triquetra
Hall 1884
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= Gosseletia triquetra
Conrad 1838
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Wagner 2023 | ||||||
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Bivalvia
- Ostreida
- Pterineidae
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Ptychopteria flabellum
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Ptychopteria (Actinopteria) boydi
(Conrad 1842)
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Rhynchonellata
- Spiriferida
- Mucrospiriferidae
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Mucrospirifer prolificus
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Mucrospirifer alpenensis
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Rhynchonellata
- Spiriferida
- Elythidae
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Elytha sp.
Conrad
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| synonym of Elita | |||||||
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Rhynchonellata
- Spiriferida
- Spinocyrtiidae
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Spinocyrtia "euryteines"
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Rhynchonellata
- Atrypida
- Atrypidae
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Pseudoatrypa cf. devoniana
(Webster 1921)
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Atrypa reticularis
(Linnaeus 1758)
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| original and current combination Anomia reticularis | |||||||
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Rhynchonellata
- Tropidoleptidae
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Tropidoleptus carinatus
(Conrad 1839)
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Rhynchonellata
- Orthida
- Schizophoriidae
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Schizophoria ferronensis
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Strophomenata
- Strophomenida
- Leptostrophiidae
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Protoleptostrophia perplana
(Conrad 1839)
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Protoleptostrophia perplana
(Conrad 1839)
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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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Strophomenata
- Strophomenida
- Strophodontidae
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Strophodonta "demissa"
(Conrad 1842)
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| recombined as Strophodonta (Strophodonta) demissa | |||||||
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Megastrophia concava
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Stenolaemata
- Trepostomata
- Heterotrypidae
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Leioclema alpense
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Trilobita
- Phacopida
- Phacopidae
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Phacops rana
(Green 1832)
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| recombined as Eldredgeops rana | |||||||
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Anthozoa
- Cystiphyllida
- Cystiphyllidae
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Cystiphylloides americanum
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Anthozoa
- Stauriida
- Eridophyllidae
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Cylindrophyllum delicatulum
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Anthozoa
- Stauriida
- Disphyllidae
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Hexagonaria anna
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Hexagonaria stewartae
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Hexagonaria tabulata
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Hexagonaria truncata
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Anthozoa
- Favositida
- Pachyporidae
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Cladopora roemeri
(Billings 1860)
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Anthozoa
- Favositida
- Favositidae
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Emmonsia arbuscula
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Emmonsia radiciformis
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Favosites hamiltonae
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Favosites turbinatus
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Anthozoa
- Auloporida
- Aulocystidae
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Aulocystis auloporoidea
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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: | shelly/skeletal,gray "limestone" |
| Lithology description: Overall sequence: Bioclastic limestone; argillaceous limestone; shale. This unit: "Limestone, massive, bioclastic, blue-gray" | |
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 38450 | ||
| Authorizer: | M. Foote, P. Wagner | Enterer: | M. Foote, P. Wagner |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2004-04-21 18:21:57 | Last modified: | 2006-09-13 14:01:03 |
| Access level: | the public | Released: | 2004-04-21 18:21:57 |
| 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] |
Secondary references:
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |