Garth, G04: Rhuddanian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Rhynchonellida - Rhynchotrematidae
Stegerhynchus pusillum (de Sowerby and Murchison 1839)
3 specimens
Rhynchonellata - Atrypida - Atrypinidae
Plectatrypa tripartita (de Sowerby and Murchison 1839)
2 specimens
recombined as Eospirigerina tripartita
ssp. tripartita
Rhynchonellata - Athyridida - Meristellidae
? Hyattidina augustifrons (Salter 1851)
12 specimens
recombined as Hindella angustifrons
originally entered as "? Hyattidina augustifrons"
Rhynchonellata - Orthida - Hesperorthidae
Dolerorthis sowerbyiana (Davidson 1869)
1 specimen
Strophomenata - Strophomenida - Sowerbyellidae
Eoplectodonta duplicata (de Sowerby and Murchison 1839)
1 specimen
recombined as Eoplectodonta (Eoplectodonta) duplicata
see common names

Geography
Country:United Kingdom State/province:Wales County:Powys
Coordinates: 52.1° North, 3.5° West (view map)
Paleocoordinates:36.6° South, 16.8° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Silurian Epoch:Llandovery
Stage:Rhuddanian 10 m.y. bin:Silurian 1
*Period:Early/Lower Silurian *Epoch:Early/Lower Llandovery
*International age/stage:Late/Upper Rhuddanian
Key time interval:Rhuddanian Zone: acinaces - cyphus
Age range of interval:443.80000 - 440.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Member:shelly facies
Local section:Garth
Stratigraphic resolution:bed
Stratigraphy comments: No formation name. [Upper Rhuddanian assigned based on given graptolite zone.]
Lithology and environment
Primary lithology: lithified sandy siltstone
Environment:marine indet.
Geology comments: "...consists of detrital sediments, but mainly mudstones and sandstones, and with a fauna predominantly of brachiopods."
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:bulk,field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Brachiopods only.
Metadata
Database number:3462
Authorizer:J. Alroy Enterer:M. Sommers
Modifier:C. Visaggi Research group:marine invertebrate
Created:1999-08-02 14:55:18 Last modified:2004-03-11 16:25:07
Access level:the public Released:2000-11-20 13:53:19
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]