Howellites community, Berwyn Hills (Lower Cwm Rhiwarth): Soudleyan, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Bryozoa informal stick indet.
Crinoidea
Crinoidea informal ossicles
Cephalopoda - Orthocerida - Orthoceratidae
Orthoceras sp. Breynius 1832
Tergomya - Cyrtonellida - Cyrtolitidae
Cyrtolites sp. Conrad 1838
Bivalvia - Lipanellidae
Goniophorina sp. Isberg 1934
Bivalvia - Modiomorphida - Modiomorphidae
Modiolopsis modiolaris (Conrad 1838)
Gastropoda - Murchisoniina - Hormotomidae
synonym of Plethospira
Gastropoda - Euomphalina - Platyceratidae
Cyclonema crebristria (M'Coy 1851)
Gastropoda - Bellerophontida - Sinuitidae
Sinuites soudleyensis Reed 1921
Gastropoda - Bellerophontida - Bellerophontidae
Bucaniopsis sp. (Ulrich and Scofield 1897)
original and current combination Bucanopsis
Craniata - Craniopsida - Craniopsidae
Paracraniops sp. Williams 1963
Lingulata - Lingulida - Obolidae
Lingulella cf. ovata (M'Coy 1846)
Strophomenata - Strophomenida - Rafinesquinidae
Macrocoelia prolata Williams 1963
recombined as Colaptomena expansa prolata
Kiaeromena kjerulfi (Holtedahl 1916)
recombined as Kiaeromena (Kiaeromena) kjerulfi
Leptaena ventricosa Williams 1963
Strophomenata - Strophomenida - Aegiromenidae
Sericoidea sp. Lindström 1953
Strophomenata - Strophomenida - Sowerbyellidae
Eoplectodonta sp. Kozlowski 1929
Sowerbyella spp.
Strophomenata - Orthotetida - Triplesiidae
Bicuspina spiriferoides
Rhynchonellata - Orthida - Plaesiomyidae
Dinorthis berwynensis (Whittington 1938)
Dinorthis angusta (Williams 1963)
original and current combination Dinorthis berwynensis angusta
Rhynchonellata - Orthida - Harknessellidae
Reuschella horderleyensis Bancroft 1929
Rhynchonellata - Orthida - Dalmanellidae
Onniella cf. soudleyensis
Dalmanella sp. Hall and Clarke 1892
Ostracoda - Palaeocopida - Tetradellidae
Tallinnella scripta
Trilobita - Asaphida - Asaphidae
Parabasilicus powisi
synonym of Basilicus
Trilobita - Trinucleida - Trinucleidae
Broeggerolithus soudleyensis
Broeggerolithus broeggeri (Bancroft 1929)
recombined as Broeggeria broeggeri
Trilobita - Corynexochida - Illaenidae
Illaenus sp. Dalman 1827
Trilobita - Phacopida - Homalonotidae
Brongniartella cf. ascripta
Brongniartella minor (Salter 1852)
Trilobita - Phacopida - Calymenidae
Flexicalymene sp. Shirley 1936
see common names

Geography
Country:United Kingdom State/province:Wales
Coordinates: 53.0° North, 3.0° West (view map)
Paleocoordinates:52.2° South, 17.8° West
Geographic resolution:local area
Time
Period:Ordovician Epoch:Late/Upper Ordovician
Stage:Sandbian 10 m.y. bin:Ordovician 4
Key time interval:Soudleyan Graptolite zone: Diplograptus multidens
Age range of interval:458.40000 - 457.40000 m.y. ago
Stratigraphy
Formation:Cwm Rhiwarth Member:Lower
Stratigraphic resolution:member
Stratigraphy comments: Soudleyan part of Cwm Rhiwarth
Lithology and environment
Primary lithology: lithified silty "shale"
Environment:transition zone/lower shoreface
Geology comments: Silty mudstone
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Metadata
Also known as:Was: Howellites community, Berwyn Hills
Database number:192387
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2018-03-28 20:10:06 Last modified:2018-03-28 21:56:06
Access level:the public Released:2018-03-28 20:10:06
Creative Commons license:CC BY
Reference information

Primary reference:
156. R. K. Pickerill and P. J. Brenchley. 1979. Caradoc marine benthic communities of the South Berwyn Hills, North Wales. Palaeontology 22:229-264 [A. Miller/P. Novack-Gottshall/J. Alroy]