Wensleydale, Simonstone Limestone IVa Cyclothem (Carboniferous of the United Kingdom)

Where: England, United Kingdom (54.3° N, 2.2° W: paleocoordinates 3.5° S, 3.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Simonstone Limestone IVa Cyclothem Formation (Middle Limestone Group), Brigantian (336.0 - 330.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; lithified shale

• shale and siltstones grading upwards into thin flags of sandstones

Size class: macrofossils

Primary reference: D. Moore. 1958. The Yoredale Series of Upper Wensleydale and adjacent parts of North-West Yorkshire. Proceedings of the Yorkshire Geological Society 31(2):91-148 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 73402: authorized by Wolfgang Kiessling, entered by Uta Merkel on 14.06.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Euomphalidae
"Straparollus catillus" = Euomphalus catillus
"Straparollus catillus" = Euomphalus catillus Martin 1793 snail
 Bellerophontida - Euphemitidae
Euphemites urei Fleming 1828 snail
Rostroconchia
 Conocardiida - Conocardiidae
Bivalvia
 Nuculanida - Nuculanidae
"Leda attenuata" = Nuculana
"Leda attenuata" = Nuculana pointed nut clam
 Pectinida - Aviculopectinidae
 Pectinida - Pterinopectinidae
 Pectinida - Streblochondriidae
"Pseudamusium anisotum" = Streblochondria anisota
"Pseudamusium anisotum" = Streblochondria anisota Phillips 1836 scallop
 Cardiidia - Sanguinolitidae
Rhynchonellata
 Athyridida - Neoretziidae
 Athyridida - Athyrididae
 Spiriferida - Martiniidae
Martinia aff. decora Phillips 1836
 Spiriferida - Strophopleuridae
 Spiriferida - Elythidae
 Spiriferida - Mucrospiriferidae
 Terebratulida - Dielasmatidae
"Dielasma hastatum" = Dielasma virgoides
"Dielasma hastatum" = Dielasma virgoides M'Coy 1844
Strophomenata
 Productida - Echinoconchidae
Echinoconchus elegans Norwood and Pratten 1855
 Productida - Linoproductidae
"Linoproductus undatus" = Fluctuaria undata
"Linoproductus undatus" = Fluctuaria undata Defrance 1826
 Productida - Monticuliferidae
 Productida - Productellidae
 Strophomenida - Chonetidae
Lingulata
 Lingulida - Discinidae
Stenolaemata
 Cryptostomata - Fenestellidae
 Cryptostomata - Acanthocladiidae
Anthozoa
 Stauriida - Aulophyllidae
Dibunophyllum bipartitum McCoy 1849 horn coral
subsp. bipartitum
 Stauriida - Hapsiphyllidae
 Stauriida - Lithostrotionidae
Lithostrotion junceum Fabre 1955 horn coral