Costistricklandia community, Wych Beds, Malvern Hills District: Llandovery, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea
Crinoidea indet. Miller 1821
.25 %-specimens
crinoid
Pterobranchia - Graptoloida
.25 %-specimens
monograptid
unclassified
.25 %-specimens
chonetid
Bryozoa indet. Ehrenberg 1831
.5 %-specimens
encrusting bryozoan
Strophomenata - Strophomenida
.5 %-specimens
stropheodontid
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
2 %-specimens
Strophomenata - Strophomenida - Strophodontidae
Pholidostrophia sp. Hall and Clarke 1892
14 %-specimens
Rhynchonellata - Rhynchonellida - Rhynchonellidae
1 %-specimens
rhynchonellid - originally entered as "Rhynchonellida indet."
Rhynchonellata - Rhynchonellida - Leptocoeliidae
Eocoelia sp. Nikiforova 1961
11 %-specimens
Rhynchonellata - Pentamerida - Clorindidae
Clorinda sp. Barrande 1879
5 %-specimens
Rhynchonellata - Pentamerida - Stricklandiidae
49 %-specimens
Rhynchonellata - Atrypida - Atrypidae
Atrypa sp. Dalman 1828
5 %-specimens
Rhynchonellata - Spiriferida - Cyrtiidae
Eospirifer sp. Schuchert 1913
7 %-specimens
Rhynchonellata - Orthida
Orthida indet. Schuchert and Cooper 1932
.5 %-specimens
? dolerorthid
Rhynchonellata - Athyridida - Athyrididae
2 %-specimens
Polychaeta - Eunicemorpha
.25 %-specimens
scolecodont, ?microfossil
Gastropoda - Murchisoniina - Loxonematidae
.125 %-specimens
originally entered as "? Loxonema sp."
Gastropoda - Euomphalina - Euomphalidae
.125 %-specimens
Trilobita - Phacopida - Acastidae
? Acaste sp. Goldfuss 1843
.25 %-specimens
originally entered as "? Acaste sp."
Anthozoa - Rugosa
Rugosa indet. Milne-Edwards and Haime 1850
.25 %-specimens
rugosan
see common names

Geography
Country:United Kingdom State/province:England County:Herefordshire
Coordinates: 52.1° North, 2.7° West (view map)
Paleocoordinates:28.3° South, 62.7° West (Wright 2013)
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:2025-02-22 15:12:02
Access level:the public Released:1998-12-15 10:28:27
Creative Commons license:CC0
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]