Glyn Ceiriog, Dolhir Fm. above basal units (Ordovician to of the United Kingdom)
Where: Wales, United Kingdom (52.9° N, 3.2° W: paleocoordinates 42.5° S, 16.8° W)
• local area-level geographic resolution
When: Dolhir Formation, Cautleyan to Cautleyan (449.2 - 445.2 Ma)
• Above basal units (Tyn-y-twmpath and Dolhir Limestone Mbrs are basal units)
• member-level stratigraphic resolution
Environment/lithology: offshore; lithified, shelly/skeletal, sandy siltstone and mudstone
• siltstones, mudstones, and associated minor coquinoid sandstones.
Primary reference: N. Hiller. 1981. The Ashgill rocks of the Glyn Ceirog district, North Wales. Geological Journal 16:181-200 [J. Alroy/M. Sommers/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 8291: authorized by John Alroy, entered by Mike Sommers on 05.07.2000, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Ostracoda | |
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Primitia sp. Jones and Holl 1923 ostracod | |
| Trilobita | |
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Atractopyge sp. Hawle and Corda 1847 trilobite | |
|
Pseudosphaerexochus sp. Schmidt 1881 trilobite
Sphaerocoryphe sp. Angelin 1854 trilobite | |
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Calyptaulax sp. Cooper 1930 trilobite | |
Prionocheilus sp., "Flexicalymene quadrata" = Gravicalymene quadrata
Prionocheilus sp. Rouault 1847 trilobite
"Flexicalymene quadrata" = Gravicalymene quadrata King 1923 trilobite | |
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Astroproetus sp. Begg 1939 trilobite | |
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? Platylichas sp. Gürich 1901 trilobite | |
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Paraharpes cf. ruddyi Whittington 1950 trilobite | |
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? Stenopareia sp. Holm 1886 trilobite | |
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? Stygina sp. Salter 1853 trilobite | |
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Primaspis cf. evoluta Törnquist 1884 trilobite | |
| Gastropoda | |
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Trochonema sp. Salter 1859 snail | |
| Rhynchonellata | |
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Skenidioides cf. asteroideus Reed 1917 | |
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Plaesiomys porcata M'Coy 1846 | |
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Nicolella actoniae de Sowerby and Murchison 1839 | |
"Orthambonites cf. humilidorsatus" = Sulevorthis humilidorsatus
"Orthambonites cf. humilidorsatus" = Sulevorthis humilidorsatus Wright 1964 | |
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Glyptorthis cf. maritima Wright 1964 | |
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Portranella sp. Wright 1964 | |
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Dolerorthis aff. intercostata de Sowerby and Murchison 1839 | |
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Platystrophia anomala Hiller 1980 | |
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Cremnorthis sp. Williams 1963 | |
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Dicoelosia sp. King 1850
Dicoelosia cf. indenta Cooper 1930 | |
Eremotrema cf. paucicostellatum, ? Howellites sp., Ravozetina silvicola, Dalmanella cf. testudinaria
Eremotrema cf. paucicostellatum Mitchell 1977
? Howellites sp. Bancroft 1945
Dalmanella cf. testudinaria Dalman 1828 | |
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Reuschella sp. Bancroft 1928 | |
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Laticrura cf. erecta Wright 1964 | |
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Saukrodictya hibernica Wright 1964 | |
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Catazyga cf. hicksi Reed 1905 | |
Cyclospira sp., "Protozyga cf. perplexa" = Cyclospira perplexa
Cyclospira sp. Hall and Clarke 1893
"Protozyga cf. perplexa" = Cyclospira perplexa Williams 1962 | |
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? Parastrophina sp. Schuchert and LeVene 1929 | |
| Strophomenata | |
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Vellamo cf. diversa Shaler 1865 | |
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Kullervo ? grandis Cocks 2014 | |
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Oxoplecia cf. plicata Wiman 1907
Triplesia hintsae Cocks 2014 | |
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Katastrophomena dolhirensis Hiller 1980
? Luhaia sp. Roomusoks 1956 | |
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Kjaerina sp. Bancroft 1929
Leptaena cf. rugosa Dalman 1828 | |
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Gunnarella sp. Spjeldnaes 1957 | |
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Sowerbyella cf. sladensis Jones 1928
Kozlowskites sp. Havlicek 1952 | |
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Christiania sp. Hall and Clarke 1892 | |
"Chonetoidea cf. papillosa" = Chonetoidea radiatula
"Chonetoidea cf. papillosa" = Chonetoidea radiatula Barrande 1879 | |
| Craniata | |
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Paracraniops sp. Williams 1963 | |
| Lingulata | |
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| Stenolaemata | |
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Ptilodictya sp. Lonsdale 1839 | |
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Corynotrypa sp. Bassler 1911 | |
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Trepostomata indet. Ulrich 1882 | |
"Pleurocystites cf. angelicus" = Pleurocystites anglicus
"Pleurocystites cf. angelicus" = Pleurocystites anglicus Jaekel 1899 | |
|
Cheirocrinus sp. Eichwald 1856 | |
| Rhombifera | |
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Caryocrinites rugatus Forbes 1848 | |
| Anthozoa | |
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Heliolites sp. Dana 1846 tabulate coral | |
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Petraia sp. Münster 1839 horn coral | |