Hirnantian assemblage 4, North Wales, England: Hirnantian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella sp.
Jones 1928
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Strophomenata
- Strophomenida
- Leptostrophiidae
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Eostropheodonta sp.
Bancroft 1949
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Leptaena sp.
Dalman 1828
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Rhynchonellata
- Atrypida
- Atrypidae
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? Plectatrypa sp.
Schuchert and Cooper 1930
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| originally entered as "Plectatrypa? sp." | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Plectothyrella sp.
Temple 1965
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Rhynchonellata
- Orthida
- Draboviidae
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Kinnella sp.
Bergström 1968
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Hirnantia sp.
Lamont 1935
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanella sp.
Hall and Clarke 1892
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Howellites sp.
(Bancroft 1945)
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| original and current combination Resserella (Howellites) | ||||||||||
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Bancroftina sp.
Sinclair 1946
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Stenolaemata
- Trepostomata
- Halloporidae
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Hallopora sp.
Bassler 1911
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Trilobita
- Phacopida
- Dalmanitidae
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Dalmanitina sp.
Reed 1905
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| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | England |
| Coordinates: | 53.0° North, 3.0° West (view map) | ||
| Paleocoordinates: | 38.0° South, 16.5° West | ||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Hirnantian | 10 m.y. bin: | Ordovician 5 |
| *Period: | Late/Upper Ordovician | *Epoch: | Late/Upper Ashgill |
| Key time interval: | Hirnantian | ||
| Age range of interval: | 445.20000 - 443.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | lithified "shale" |
| Secondary lithology: | siltstone |
| Environment: | offshore |
| Geology comments: Mudstone and siltstone; mid to outer shelf | |
Taphonomy
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 3680 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 1999-08-06 12:29:06 | Last modified: | 1999-08-06 15:29:06 |
| Access level: | the public | Released: | 2000-11-20 13:53:20 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 169. | P. J. Brenchley, B. Cullen, and G. Newall. 1982. The environmental distribution of associations belonging to the Hirnantia fauna - evidence from North Wales & Norway. In D. L. Bruton (ed.), Aspects of the Ordovician System 295:113-125 [A. Miller/P. Novack-Gottshall/P. Wagner] |