Howellites community, Berwyn Hills (Upper Cwm Rhiwarth) (Ordovician of the United Kingdom)
Also known as Was: Howellites community, Berwyn Hills
Where: Wales, United Kingdom (53.0° N, 3.0° W: paleocoordinates 52.2° S, 17.8° W)
• local area-level geographic resolution
When: Diplograptus multidens graptolite zone, Upper Member (Cwm Rhiwarth Formation), Longvillian (457.2 - 455.0 Ma)
• Longvillian part of Cwm Rhiwarth
• member-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified, silty shale
• Silty mudstone
Size class: macrofossils
Primary reference: 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]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 192388: authorized by Pete Wagner, entered by Pete Wagner on 28.03.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| unclassified | |
| Crinoidea | |
|
Crinoidea "ossicles" Miller 1821 Sea lily | |
| Lingulata | |
|
Lingulella sp. Salter 1866 | |
|
Orbiculoidea sp. d'Orbigny 1847 | |
| Strophomenata | |
|
Leptestiina oepiki Whittington 1938 | |
"Macrocoelia expansa" = Colaptomena expansa, "Macrocoelia prolata" = Colaptomena expansa prolata, "Kiaeromena kjerulfi" = Kiaeromena (Kiaeromena) kjerulfi, Kjaerina sp., Kjaerina hedstroemi, Kjaerina jonesi, Leptaena sp., Leptaena ventricosa
"Macrocoelia expansa" = Colaptomena expansa de Sowerby and Murchison 1839
"Macrocoelia prolata" = Colaptomena expansa prolata Williams 1963
"Kiaeromena kjerulfi" = Kiaeromena (Kiaeromena) kjerulfi Holtedahl 1916
Kjaerina sp. Bancroft 1929
Kjaerina hedstroemi Bancroft 1929
Kjaerina jonesi Bancroft 1929
Leptaena sp. Dalman 1828
Leptaena ventricosa Williams 1963 | |
| Rhynchonellata | |
|
Skenidioides costatus Cooper 1956 | |
|
Dalmanella horderleyensis Whittington 1938 | |
"Reuschella undulata" = Reuschella horderleyensis undulata
"Reuschella undulata" = Reuschella horderleyensis undulata Williams 1963 Reuschella horderleyensis undulata
| |
Dinorthis cf. flabellulum, "Dinorthis angusta" = Dinorthis berwynensis angusta
Dinorthis cf. flabellulum Sowerby and Murchison 1839 | |
"Dolerorthis prolixa" = Dolerorthis duftonensis prolixa
"Dolerorthis prolixa" = Dolerorthis duftonensis prolixa Williams 1963 Dolerorthis duftonensis prolixa
| |
| Lophophorata | |
|
Tentaculites sp. von Schlotheim 1820 | |
| Bryozoa | |
|
Bryozoa "stick indet." Ehrenberg 1831 | |
| Stenolaemata | |
|
Stenopora sp. Lonsdale 1844 | |
|
Monticulipora sp. d'Orbigny 1850 | |
| Cephalopoda | |
|
Orthoceras sp. Breynius 1832 | |
| Tergomya | |
|
Cyrtolites sp. Conrad 1838 | |
| Gastropoda | |
|
Sinuites spp. Koken 1896 snail | |
|
Bucania sp. Hall 1847 snail | |
|
Bellerophontidae "gen et. sp. indet." M'Coy 1851 snail | |
|
Lophospira spp. Whitfield 1886 snail | |
|
Clathrospira sp. Ulrich and Scofield 1897 snail | |
| Bivalvia | |
|
Ctenodonta sp. Salter 1852 clam | |
| Ostracoda | |
|
Tallinnella scripta ostracod | |
| Trilobita | |
"Proetidella sp." = Decoroproetus
"Proetidella sp." = Decoroproetus Pribyl 1946 trilobite | |
|
Otarion sp. Zenker 1833 trilobite | |
|
Brongniartella cf. ascripta trilobite
Brongniartella sp. Reed 1918 trilobite
Brongniartella minor Salter 1852 trilobite | |
|
Flexicalymene caractaci Salter 1865 trilobite
Flexicalymene planimarginata Reed 1906 trilobite | |
"Chasmops cambrensis" = Scopelochasmops cambrensis
"Chasmops cambrensis" = Scopelochasmops cambrensis Whittington 1962 trilobite | |
|
Kloucekia apiculata McCoy 1851 trilobite | |
|
Deacybele pauca Whittington 1965 trilobite | |
|
Broeggerolithus soudleyensis trilobite
Broeggerolithus nicholsoni Reed 1910 trilobite
Broeggerolithus broeggeri Bancroft 1929 trilobite | |
|
Conolichas sp. Dames 1877 trilobite | |
| Anthozoa | |
|
Favosites sp. Lamarck 1816 tabulate coral | |
| Hexactinellida | |
|
Pyritonema sp. McCoy 1850 glass sponge | |