S of Bardahessiagh: Rocklandian - Kirkfieldian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Craniata - Craniida - Craniidae
Petrocrania sp. Raymond 1910
Mitchell 1977 2 specimens
Craniata - Trimerellida - Trimerellidae
Eodinobolus balclatchiensis Reed 1917
Mitchell 1977 3 specimens
Lingulata - Lingulida - Discinidae
Orbiculoidea stincharensis Reed 1917
Mitchell 1977 2 specimens
Lingulata - Lingulida - Obolidae
Lingulella quaestor (Reed 1917)
Mitchell 1977 3 specimens
original and current combination Lingulasma quaestor
Strophomenata - Strophomenida - Furcitellidae
Oepikina sp. (Salmon 1942)
Mitchell 1977
original and current combination Opikina
Dactylogonia sp. Ulrich and Cooper 1942
Mitchell 1977 4 specimens
Cyphomena homostriata (Butts 1941)
Mitchell 1977 2 specimens
recombined as Dactylogonia homostriata
Cyphomena homostriata indicissa
Strophomenata - Strophomenida - Rafinesquinidae
Colaptomena concentrica (Portlock 1843)
Mitchell 1977 32 specimens
recombined as Macrocoelia concentrica
Strophomenata - Strophomenida - Glyptomenidae
Glyptomena sp. Cooper 1956
Mitchell 1977
Strophomenata - Strophomenida - Strophomenidae
Strophomena aff. norvegica Spjeldnaes 1957
Mitchell 1977 3 specimens
recombined as Longvillia norvegica
Strophomena norvegica lata
Strophomenata - Strophomenida - Sowerbyellidae
Anisopleurella sp. Cooper 1956
Mitchell 1977 2 specimens
Eoplectodonta rhombica (M'Coy 1852)
Mitchell 1977 13 specimens
recombined as Eoplectodonta (Eoplectodonta) rhombica
Eoplectodonta (Eoplectodonta) rhombica
Sowerbyella cf. monilifera Cooper 1956
Mitchell 1977
Sowerbyella (Sowerbyella) monilifera
Strophomenata - Strophomenida - Leptestiidae
Bilobia etheridgei (Davidson 1883)
Mitchell 1977 22 specimens
recombined as Plectambonites etheridgei
Leangella cf. llandeiloensis
Mitchell 1977
synonym of Leangella
Leangella discuneata Lamont 1935
Mitchell 1977
recombined as Diambonia discuneata
Strophomenata - Strophomenida - Syndielasmatidae
Sowerbyites hibernicus Mitchell 1977
Mitchell 1977 140 specimens
Strophomenata - Strophomenida - Bimuriidae
Bimuria youngiana (Davidson 1870)
Mitchell 1977 36 specimens
recombined as Plectambonites youngiana
Bimuria youngiana recta
Strophomenata - Strophomenida - Plectambonitidae
Isophragma pseudoretroflexum (Reed 1917)
Mitchell 1977 33 specimens
original and current combination Leptella pseudoretroflexa
Strophomenata - Strophomenida - Christianiidae
Christiania perrugata (Reed 1945)
Mitchell 1977 14 specimens
original and current combination Bimuria perrugata
Christiania perrugata elongata
Strophomenata - Strophomenida - Leptellinidae
Titanambonites cf. incertus Williams 1962
Mitchell 1977 1 specimen
Leptellina llandeiloensis (Davidson 1883)
Mitchell 1977 3 specimens
recombined as Leptellina (Leptellina) llandeiloensis
Strophomenata - Orthotetida - Triplesiidae
Oxoplecia sp. Wilson 1913
Mitchell 1977
Triplesia sp. Hall 1859
Mitchell 1977
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Rostricellula cf. ardmillanensis (Reed 1917)
Mitchell 1977 2 specimens
original and current combination Rhynchotreta ardmillanensis
Rostricellula simulata (Reed 1952)
Mitchell 1977 48 specimens
Rhynchonellata - Rhynchonellida - Ancistrorhynchidae
Drepanorhyncha sp. Cooper 1956
Mitchell 1977 2 specimens
Rhynchonellata - Orthida - Cremnorthidae
Cremnorthis sp. Williams 1963
Mitchell 1977 4 specimens
Rhynchonellata - Orthida - Plectorthidae
Plectorthis cf. scotica (McCoy 1852)
Mitchell 1977
recombined as Orthis (Hebertella) scotica
Doleroides winchelli Cooper 1956
Mitchell 1977 4 specimens
Rhynchonellata - Orthida - Archaeorthidae
Cyrtonotella virginiensis Butts 1942
Mitchell 1977 5 specimens
Rhynchonellata - Orthida - Plaesiomyidae
Campylorthis discreta (Reed 1952)
Mitchell 1977 50 specimens
Rhynchonellata - Orthida - Glyptorthidae
Eridorthis sp. Foerste 1909
Mitchell 1977 2 specimens
Glyptorthis cf. concinnula Cooper 1956
Mitchell 1977 72 specimens
recombined as Glyptorthis crispa
Rhynchonellata - Orthida - Hesperorthidae
Hesperorthis sp. Schuchert and Cooper 1931
Mitchell 1977 6 specimens
Dolerorthis sp. Schuchert and Cooper 1931
Mitchell 1977
Rhynchonellata - Orthida - Orthidae
Orthambonites playfairi (Reed 1917)
Mitchell 1977 28 specimens
recombined as Sulevorthis playfairi
Rhynchonellata - Orthida - Paurorthidae
Paurorthis sp. Schuchert and Cooper 1931
Mitchell 1977 6 specimens
Rhynchonellata - Orthida - Draboviidae
Salopina ordovicica Mitchell 1977
Mitchell 1977 90 specimens
Mimella rotunda (Sowerby 1839)
Mitchell 1977 9 specimens
recombined as Salopina lunata
Fascifera sp. Ulrich and Cooper 1942
Mitchell 1977
Pionodema cf. subaequata (Conrad 1843)
Mitchell 1977 27 specimens
Rhynchonellata - Protorthida - Skenidiidae
Skenidioides elongatus Cooper 1956
Mitchell 1977 17 specimens
Rhynchonellata - Pentamerida - Camerellidae
Camerella sp. Billings 1859
Mitchell 1977
Rhynchonellata - Pentamerida - Parastrophinidae
Liostrophia sp. Cooper and Kindle 1936
Mitchell 1977
Parastrophina sp. Schuchert and LeVene 1929
Mitchell 1977
Rhynchonellata - Atrypida - Protozygidae
Protozyga cf. diversa (Reed 1917)
Mitchell 1977 3 specimens
recombined as Manespira diversa
Rhynchonellata - Atrypida - Cyclospiridae
Cyclospira sp. Hall and Clarke 1893
Mitchell 1977
Cyclospira nana Davidson 1869
Mitchell 1977
Rhynchonellata - Athyridida - Hyattidinidae
Hyattidina plicata Mitchell 1977
Mitchell 1977 7 specimens
Cephalopoda - Barrandeocerida - Plectoceratidae
? Plectoceras sp. Hyatt 1884
1 specimen
GSM 103526; figured as Lituites cornu-arietis by Portlock (1843) and as Trochoceras cornuarietis by Blake (1882)
Cephalopoda - Endocerida - Endoceratidae
Cameroceras sp. Conrad 1842
1 specimen
GSM 103544; figured as Orthoceras brongniartii by Portlock (1843) and as Orthocers (Endoceras) brongniartii by Blake (1882)
see common names

Geography
Country:United Kingdom State/province:Northern Ireland County:Tyrone (Cookstown District)
Coordinates: 54.6° North, 6.9° West (view map)
Paleocoordinates:21.5° South, 30.1° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4-5
Key time interval:Rocklandian - Kirkfieldian
Age range of interval:457.00000 - 449.80000 m.y. ago
Stratigraphy
Formation:Bardahessiagh
Stratigraphic resolution:formation
Stratigraphy comments: The fossils come from unknown positions within the Bardahessiagh Formation (always spelled "Bardahessaigh Formation" by Evans, 1993). According to fig. 2 in Evans (1993) the Bardahessiagh Fm. spans the Rocklandian and Kirkfieldian stages.
Lithology and environment
Primary lithology:fine,micaceous,gray sandstone
Lithology description: "The Bardahessaigh Formation was described by Mitchell (1977) as 'grey, fine-grained, micaceous sandstones and rarely corse conglomerates' [...]."
Environment:coastal indet.
Taphonomy
Modes of preservation:cast
Size of fossils:macrofossils
Temporal resolution:snapshot
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: GSM = British Geological Survey
Metadata
Also known as:Pomeroy inlier; Craigbardahessiagh
Database number:89157
Authorizer:B. Kröger Enterer:T. Liebrecht, B. Kröger
Modifier:T. Liebrecht Research group:marine invertebrate
Created:2009-05-07 15:46:57 Last modified:2009-05-13 08:32:03
Access level:the public Released:2009-05-07 15:46:57
Creative Commons license:CC BY
Reference information

Primary reference:
29909. D. H. Evans. 1994. The Cephalopod Fauna of the Bardahessaigh Formation (Caradoc Series) of Pomeroy, County Tyrone. Irish Journal of Earth Sciences 13:11-29 [B. Kröger/T. Liebrecht/T. Liebrecht]

Secondary references:

53007 W. I. Mitchell. 1977. The Ordovician Brachiopoda from Pomeroy, Co. Tyrone. The Palaeontographical Society Monographs 130(545):1-138 [B. Kröger/B. Kröger]