Silksworth Colliery, Gilleylaw Plantation Quarry, Durham (Permian of the United Kingdom)

Where: England, United Kingdom (54.9° N, 1.4° W: paleocoordinates 17.4° N, 14.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ford Formation, Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: mold/impression

Primary reference: A. Logan. 1967. The Permian Bivalvia of northern England. Palaeontographical Society Monographs 121(518):1-72 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112853: authorized by Matthew Clapham, entered by Matthew Clapham on 17.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Myalinidae
Liebea squamosa Sowerby 1829 clam
 Pectinida - Pseudomonotidae
"Pseudomonotis speluncaria" = Pseudomonotis (Pseudomonotis) speluncaria
"Pseudomonotis speluncaria" = Pseudomonotis (Pseudomonotis) speluncaria von Schlotheim 1816 scallop
 Ostreida - Bakevelliidae
"Bakevellia binneyi" = Bakevellia (Bakevellia) binneyi
"Bakevellia binneyi" = Bakevellia (Bakevellia) binneyi Brown 1839 oyster
 Arcida - Parallelodontidae
Parallelodon striatus von Schlotheim 1816 clam
 Cardiida - Kalenteridae
Permophorus costatus Brown 1839 clam