Oepikina Beds, Bluestone Valley: Ashbyan, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Canarekka cf. varians
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Billings | ||||||||||
Hormogoneae
- Oscillatoriales
- Girvanellaceae
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Girvanella sp.
Nicholson and Etheridge 1878
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Gastropoda
- Euomphalina
- Macluritidae
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Maclurites magnus
(Le Sueur 1818)
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Lesueur | ||||||||||
Gastropoda
- Euomphalina
- Holopeidae
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Holopea scrutator
Raymond 1905
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Raymond | ||||||||||
Rhynchonellata
- Pentamerida
- Camerellidae
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Camerella cf. varians
Billings 1859
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Billings [entered as Camarella varians] | ||||||||||
Rhynchonellata
- Rhynchonellida
- Sphenotretidae
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Zygospira acutirostris
(Hall 1847)
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recombined as Sphenotreta acutirostris | ||||||||||
(Hall) | ||||||||||
Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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"Camarotoechia" pristina
Raymond 1905
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recombined as Rostricellula pristina | ||||||||||
Raymond | ||||||||||
Rhynchonellata
- Rhynchonellida
- Camarotoechiidae
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Camarotoechia quadriplicata
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Willard | ||||||||||
Rhynchonellata
- Orthida
- Glyptorthidae
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Glyptorthis bellarugosa
(Conrad 1843)
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(Conrad) | ||||||||||
Rhynchonellata
- Orthida
- Plaesiomyidae
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Dinorthis cf. interstriata
Willard 1928
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Willard | ||||||||||
Dinorthis transversa
Willard 1928
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Willard | ||||||||||
Dinorthis quadriplicata
Willard 1928
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synonym of Dinorthis transversa | ||||||||||
Willard | ||||||||||
Multicostella brevis
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(Willard) | ||||||||||
Multicostella platys
(Billings 1859)
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(Billings) | ||||||||||
Rhynchonellata
- Orthida
- Plectorthidae
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Mimella melonica
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(Willard) | ||||||||||
Mimella superba
Butts 1942
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synonym of Mimella globosa | ||||||||||
Butts | ||||||||||
Mimella vulgaris
(Raymond 1911)
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(Raymond) | ||||||||||
Plectorthis cf. exfoliata
(Raymond 1905)
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recombined as Orthambonites exfoliata | ||||||||||
Raymond | ||||||||||
Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena tennesseensis
Willard 1928
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recombined as Rhipidomena tennesseensis | ||||||||||
Willard | ||||||||||
Strophomenata
- Strophomenida
- Rafinesquinidae
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? Rafinesquina sp.
Hall and Clarke 1892
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? Rafinesquina cf. deltoidea
(Conrad 1838)
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(Conrad) | ||||||||||
Strophomenata
- Strophomenida
- Furcitellidae
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Oepikina "minnesotensis"
(Winchell 1881)
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(Winchell) | ||||||||||
Strophomenata
- Strophomenida
- Leptellinidae
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? Rafinesquina pulchella
Raymond 1928
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recombined as Apatomorpha pulchella | ||||||||||
Raymond | ||||||||||
Strophomenata
- Strophomenida
- Sowerbyellidae
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Ptychoglyptus sp.
Willard 1928
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Sowerbyella sp.
Jones 1928
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(Butts, 1941) | ||||||||||
Stenolaemata
- Cystoporata
- Ceramoporidae
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Anolotichia cf. explanata
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Coryell | ||||||||||
Stenolaemata
- Cryptostomata
- Rhinidictyidae
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Pachydictya sp.
Ulrich 1882
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Trilobita
- Corynexochida
- Illaenidae
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Illaenus fieldi
Raymond 1925
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Raymond | ||||||||||
Bumastus cf. lioderma
Raymond 1925
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Raymond | ||||||||||
Trilobita
- Asaphida
- Asaphidae
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Homotelus elongatus
Raymond 1920
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Raymond | ||||||||||
Trilobita
- Phacopida
- Pterygometopidae
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Calliops cf. annulatus
(Raymond 1905)
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(Raymond) | ||||||||||
Ostracoda
- Hollinocopida
- Eurychilinidae
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Eurychilina cf. latimarginata
(Raymond 1905)
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(Raymond) | ||||||||||
Ostracoda
- Leperditicopida
- Leperditiidae
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Leperditia sp.
Rouault 1851
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Demospongiae
- Streptosolenidae
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Eospongia roemeri
Billings 1861
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Billings | ||||||||||
Demospongiae
- Sigmatosclerophorida
- Dystactospongiidae
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Dystactospongia sp.
Miller 1882
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see common names |
Geography
Country: | United States | State/province: | Virginia | County: | Tazewell |
Coordinates: | 37.2° North, 81.4° West (view map) | ||||
Paleocoordinates: | 29.6° South, 61.6° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
10 m.y. bin: | Ordovician 4-5 | ||
Key time interval: | Ashbyan | ||
Age range of interval: | 457.00000 - 449.80000 m.y. ago |
Stratigraphy
Formation: | Benbolt | Member: | Shannondale Limestone | ||
Stratigraphic resolution: | member | ||||
Stratigraphy comments: Ashbyan, Oepikina beds |
Lithology and environment
Primary lithology: | gray argillaceous "limestone" |
Includes fossils? | Y |
Lithology description: very argillaceous, nodular-weathering, dark-gray limestones which are best developed in the eastern half of the county | |
Environment: | carbonate indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,microfossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Also known as: | Benbolt Formation, Shannondale Limestone Member, Oepikina Beds, Bluestone Valley | ||
Database number: | 33980 | ||
Authorizer: | S. Holland | Enterer: | T. Hanson |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2003-08-11 11:55:19 | Last modified: | 2019-08-08 22:24:29 |
Access level: | the public | Released: | 2003-08-11 11:55:19 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
8880. | B. N. Cooper and C. E. Prouty. 1943. Stratigraphy of the Lower Middle Ordovician of Tazewell County, Virginia. Bulletin of the Geological Society of America 54:819-886 [S. Holland/T. Hanson/T. Hanson] |