Newtown, River Irk, Bed 6 (Permian of the United Kingdom)

Where: England, United Kingdom (53.5° N, 2.2° W: paleocoordinates 16.0° N, 14.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wuchiapingian (259.9 - 254.2 Ma)

• Equivalent of "Magnesian Limestone"

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, white limestone

• A hard limestone of a dirty white

Size class: macrofossils

Preservation: cast

Collected by E.W. Binney, John Leigh

Primary reference: E. W. Binney. 1841. Sketch of the geology of Manchester and its vicinity. Transactions of the Manchester Geological Society 1:35-62 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119884: authorized by Matthew Clapham, entered by Matthew Clapham on 03.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Contains "all of the above shells" - list based on composition of beds 4 and 5.
Show authors, comments, and common names
Gastropoda
 Euomphalina - Microdomatidae
"Turbo minutus" = Tunstallia helicina, "Turbo mancuniensis" = Tunstallia helicina
"Turbo minutus" = Tunstallia helicina von Schlotheim 1820 snail
"Turbo mancuniensis" = Tunstallia helicina von Schlotheim 1820 snail
 Caenogastropoda - Coelostylinidae
"Rissoa pucilla" = Coelostylina gibsoni, ""Rissoa" leighi" = Coelostylina leighi, ""Rissoa" minutissima" = Coelostylina obtusa
"Rissoa pucilla" = Coelostylina gibsoni Brown 1839 snail
""Rissoa" leighi" = Coelostylina leighi Brown 1839 snail
""Rissoa" minutissima" = Coelostylina obtusa Brown 1839 snail
 Neritoidea - Naticopsidae
"Natica minima" = Naticopsis minima
"Natica minima" = Naticopsis minima Brown 1839 snail
Bivalvia
 Ostreida - Bakevelliidae
"Avicula binneyi" = Bakevellia (Bakevellia) binneyi, "Avicula inflata" = Bakevellia (Bakevellia) binneyi, "Avicula discors" = Bakevellia (Bakevellia) binneyi
"Avicula binneyi" = Bakevellia (Bakevellia) binneyi Brown 1839 oyster
"Avicula inflata" = Bakevellia (Bakevellia) binneyi Brown 1839 oyster
"Avicula discors" = Bakevellia (Bakevellia) binneyi Brown 1839 oyster
 Cardiida - Kalenteridae
"Arca costata" = Permophorus costatus
"Arca costata" = Permophorus costatus Brown 1839 clam
 Trigoniida - Schizodidae
"Axinus obscurus" = Schizodus obscurus
"Axinus obscurus" = Schizodus obscurus Sowerby 1821 clam