Edgewood Group, Locality D: Llandovery, Missouri
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Orthotetida
- Schuchertellidae
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Coolinia propinquua
(Meek and Worthen 1868)
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| recombined as Schuchertella propinqua | ||||||||||
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Rhynchonellata
- Atrypida
- Atrypinidae
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Eospirigerina putilla
(Hall and Clarke 1894)
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| recombined as Atrypa putilla | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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Stegerhynchus concinna
(Savage 1913)
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Rhynchonellata
- Pentamerida
- Virgianidae
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Brevilamnulella thebesensis
(Savage 1913)
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Rhynchonellata
- Athyridida
- Meristellidae
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Meristina ovoides
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Rhynchonellata
- Athyridida
- Rhynchospirinidae
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Homoeospira fiscellostriata
Savage 1913
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| originally entered as "Homoespira fiscellostriata" | ||||||||||
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Rhynchonellata
- Orthida
- Hesperorthidae
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Dolerorthis savagei
Amsden 1974
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanella edgewoodensis
Savage 1913
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Rhynchonellata
- Orthida
- Rhipidomellidae
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? Mendacella sp.
Cooper 1930
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| originally entered as "? Mendacella sp." | ||||||||||
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Rhynchonellata
- Orthida
- Platyorthidae
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? Diceromyonia sera
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| originally entered as "? Diceromyonia sera" | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Missouri | County: | Pike |
| Coordinates: | 39.3° North, 91.2° West (view map) | ||||
| Paleocoordinates: | 22.2° South, 58.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Silurian | Epoch: | Llandovery |
| 10 m.y. bin: | Silurian 1 | ||
| *Period: | Early/Lower Silurian | *Epoch: | Early/Lower Llandovery |
| Key time interval: | Llandovery | ||
| Age range of interval: | 443.80000 - 433.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Bryant Knob | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 5 ft thick section appx 5 ft above base of exposure. | |||||
Lithology and environment
| Primary lithology: | ooidal,gray lithified "limestone" | ||
| Secondary lithology: | dolomite | ||
| Environment: | deep subtidal shelf | Tectonic setting: | cratonic basin |
| Geology comments: "Unrestricted offshore environment of moderate depth involving some water movement by waves and (or) currents." "Interbedded dolomite, dolomitic limestone, and organo-detrital sparite with some oolites." | |||
Taphonomy
| Modes of preservation: | body,replaced with silica |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Brachiopods (Articulate) only. | |
Metadata
| Database number: | 3351 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | C. Visaggi | Research group: | marine invertebrate |
| Created: | 1999-07-30 14:02:20 | Last modified: | 2004-03-11 16:25:09 |
| Access level: | the public | Released: | 2000-11-20 13:53:19 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 187. | T. W. Amsden. 1974. Late Ordovician and Early Silurian articulate brachiopods from Oklahoma, southwestern Illinois, and eastern Missouri. Bulletin - Oklahoma Geological Survey 119:1-154 [J. Alroy/M. Sommers/M. Uhen] |