SB56: Rhuddanian - Aeronian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Inarticulata
- Inarticulata
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Inarticulata indet.
Huxley 1869
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1 specimen | |||||||||
invalid subgroup of Brachiopoda | ||||||||||
Strophomenata
- Strophomenida
- Sowerbyellidae
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Eoplectodonta duplicata
(de Sowerby and Murchison 1839)
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6 specimens | |||||||||
recombined as Eoplectodonta (Eoplectodonta) duplicata | ||||||||||
Anisopleurella gracilis
(Jones 1928)
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8 specimens | |||||||||
recombined as Kozlowskites gracilis | ||||||||||
Strophomenata
- Strophomenida
- Leptestiidae
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Leangella scissa
(Davidson 1871)
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15 specimens | |||||||||
Strophomenata
- Strophomenida
- Rafinesquinidae
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Laevicyphomena reedi
(Cocks 1968)
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2 specimens | |||||||||
recombined as Crassitestella reedi | ||||||||||
Rhynchonellata
- Pentamerida
- Clorindidae
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Clorinda ? undata
(de Sowerby and Murchison 1839)
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1 specimen | |||||||||
recombined as Clorilamnulella undata | ||||||||||
Rhynchonellata
- Spiriferida
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Spiriferida indet.
Waagen 1883
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indet. 4 | ||||||||||
Rhynchonellata
- Atrypida
- Atrypinidae
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Plectatrypa tripartita
(de Sowerby and Murchison 1839)
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1 specimen | |||||||||
recombined as Eospirigerina tripartita | ||||||||||
ssp. tripartita | ||||||||||
Rhynchonellata
- Atrypida
- Lissatrypidae
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Meifodia prima
(Williams 1951)
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2 specimens | |||||||||
ssp. prima | ||||||||||
Rhynchonellata
- Protorthida
- Skenidiidae
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Skenidioides ? woodlandiense
(Davidson 1882)
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2 specimens | |||||||||
recombined as Skenidioides woodlandiensis | ||||||||||
Rhynchonellata
- Orthida
- Dicoelosiidae
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Dicoelosia osloensis
Wright 1968
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2 specimens | |||||||||
Rhynchonellata
- Orthida
- Rhipidomellidae
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Mendacella mullockiensis
(Davidson 1869)
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55 specimens | |||||||||
"llandoveriana morph" | ||||||||||
Rhynchonellata
- Orthida
- Dalmanellidae
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Visbyella sp.
Walmsley et al. 1968
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3 specimens | |||||||||
sp. nov. | ||||||||||
Ravozetina rava
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4 specimens | |||||||||
Rhynchonellata
- Orthida
- Hesperorthidae
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Dolerorthis gwalia
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1 specimen | |||||||||
Dolerorthis sowerbyiana
(Davidson 1869)
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8 specimens | |||||||||
Rhynchonellata
- Orthida
- Giraldiellidae
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Giraldiella cf. protensa
(de Sowerby 1839)
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1 specimen | |||||||||
ssp. filitexta | ||||||||||
Rhynchonellata
- Orthida
- Wangyuiidae
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Toxorthis sp.
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1 specimen | |||||||||
sp. nov. | ||||||||||
see common names |
Geography
Country: | United Kingdom | State/province: | Wales | County: | Powys |
Coordinates: | 52.7° North, 3.3° West (view map) | ||||
Paleocoordinates: | 35.0° South, 16.6° 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 - Middle Llandovery |
*International age/stage: | Late/Upper Rhuddanian - Late/Upper Aeronian | ||
Key time interval: | Rhuddanian - Aeronian | ||
Age range of interval: | 443.80000 - 438.50000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Unless a conodont zone was explicitly stated, a Late Rhudd - Late Aeron age was entered because of the statement these beds are all "pre-sedgwickii Zone." |
Lithology and environment
Primary lithology: | lithified mudstone |
Secondary lithology: | sandstone |
Environment: | marine indet. |
Taphonomy
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | bulk,field collection |
Reason for describing collection: | taxonomic analysis |
Taxonomic list comments:"Brachiopods... form the overwhelming preponderance of early Llandovery shelly faunas in Wales." |
Metadata
Database number: | 4953 | ||
Authorizer: | J. Alroy | Enterer: | M. Sommers |
Modifier: | C. Visaggi | Research group: | marine invertebrate |
Created: | 1999-08-26 16:44:00 | Last modified: | 2004-03-11 16:25:07 |
Access level: | the public | Released: | 2000-11-20 13:53:24 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
196. | J. T. Temple. 1987. Early Llandovery brachiopods of Wales. Palaeontological Society Monographs 139(572):1-137 [J. Alroy/M. Sommers/M. Uhen] |