Costistricklandia community, Wych Beds, Malvern Hills District: Llandovery, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Rugosa
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Rugosa indet.
Milne-Edwards and Haime 1850
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.25 %-specimens | |||||||||
| rugosan | ||||||||||
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Pterobranchia
- Graptoloida
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Graptoloida indet.
Maletz et al. 2009
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.25 %-specimens | |||||||||
| monograptid | ||||||||||
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Crinoidea
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Crinoidea indet.
Miller 1821
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.25 %-specimens | |||||||||
| crinoid | ||||||||||
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unclassified
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Strophomenda indet.
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.25 %-specimens | |||||||||
| chonetid | ||||||||||
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Bryozoa indet.
Ehrenberg 1831
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.5 %-specimens | |||||||||
| encrusting bryozoan | ||||||||||
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Strophomenata
- Strophomenida
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Strophomenida indet.
Opik 1934
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.5 %-specimens | |||||||||
| stropheodontid | ||||||||||
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Strophomenata
- Strophomenida
- Strophodontidae
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Pholidostrophia sp.
Hall and Clarke 1892
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14 %-specimens | |||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Leptaena sp.
Dalman 1828
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2 %-specimens | |||||||||
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Rhynchonellata
- Athyridida
- Athyrididae
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Protathyris sp.
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2 %-specimens | |||||||||
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Rhynchonellata
- Atrypida
- Atrypidae
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Atrypa sp.
Dalman 1828
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5 %-specimens | |||||||||
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Rhynchonellata
- Orthida
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Orthida indet.
Schuchert and Cooper 1932
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.5 %-specimens | |||||||||
| ? dolerorthid | ||||||||||
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Rhynchonellata
- Pentamerida
- Stricklandiidae
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Costistricklandia sp.
Amsden 1953
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49 %-specimens | |||||||||
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Rhynchonellata
- Pentamerida
- Clorindidae
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Clorinda sp.
Barrande 1879
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5 %-specimens | |||||||||
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Rhynchonellata
- Rhynchonellida
- Leptocoeliidae
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Eocoelia sp.
Nikiforova 1961
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11 %-specimens | |||||||||
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Rhynchonellata
- Rhynchonellida
- Rhynchonellidae
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Rhynchonellidae indet.
Gray 1848
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1 %-specimens | |||||||||
| rhynchonellid - originally entered as "Rhynchonellida indet." | ||||||||||
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Rhynchonellata
- Spiriferida
- Cyrtiidae
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Eospirifer sp.
Schuchert 1913
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7 %-specimens | |||||||||
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Gastropoda
- Euomphalina
- Euomphalidae
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Euomphalopterus sp.
Roemer 1876
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.125 %-specimens | |||||||||
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Gastropoda
- Murchisoniina
- Loxonematidae
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? Loxonema sp.
Phillips 1841
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.125 %-specimens | |||||||||
| originally entered as "? Loxonema sp." | ||||||||||
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Polychaeta
- Eunicemorpha
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Eunicemorpha indet.
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.25 %-specimens | |||||||||
| scolecodont, ?microfossil | ||||||||||
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Trilobita
- Phacopida
- Acastidae
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? Acaste sp.
Goldfuss 1843
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.25 %-specimens | |||||||||
| originally entered as "? Acaste sp." | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | England | County: | Herefordshire |
| Coordinates: | 52.1° North, 2.7° West (view map) | ||||
| Paleocoordinates: | 33.6° South, 15.5° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Silurian | Epoch: | Llandovery |
| 10 m.y. bin: | Silurian 1 | *Epoch: | Late/Upper Llandovery |
| Key time interval: | Llandovery | Zone: | Cycle V |
| Age range of interval: | 443.8 - 433.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Wych Beds | ||||
| Stratigraphy comments: "upper Lland. C5." |
Lithology and environment
| Primary lithology: | current ripples,green sandstone |
| Secondary lithology: | "shale" |
| Environment: | marine indet. |
| Geology comments: "greenish fine grained ss and equal amt of sh, some small-scale x-bedding. BA4" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:"Ziegler et al. 1968" | |
Metadata
| Database number: | 464 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1998-12-15 10:28:27 | Last modified: | 2017-01-07 23:54:59 |
| Access level: | the public | Released: | 1998-12-15 10:28:27 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 61202. | A. M. Ziegler, L. R. M. Cocks, and R. K. Bambach. 1968. The composition and structure of Lower Silurian marine communities. Lethaia 1:1-27 [M. Uhen/J. Ju/M. Uhen] |