Byers Quarry, Marsden, Durham (Permian of the United Kingdom)

Where: England, United Kingdom (55.0° N, 1.4° W: paleocoordinates 17.5° N, 14.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

Size class: macrofossils

Primary reference: W. King. 1850. Monograph of the Permian fossils of England. Palaeontographical Society 1-253 [G. Webster/G. Webster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87337: authorized by Matthew Clapham, entered by Matthew Clapham on 15.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Polychaeta
 Sabellida - Serpulidae
"Spirorbis" permianus n. sp.
"Spirorbis" permianus n. sp. King 1850
Bivalvia
 Myalinida - Myalinidae
"Mytilus septifer" = Liebea septifer
"Mytilus septifer" = Liebea septifer King 1844 clam
 Cardiida - Kalenteridae
"Pleurophorus costatus" = Permophorus costatus
"Pleurophorus costatus" = Permophorus costatus Brown 1839 clam
 Trigoniida - Schizodidae
Schizodus schlotheimi
Schizodus schlotheimi Geinitz 1841 clam
 Nuculanida - Polidevciidae
"Leda vinti" = Phestia speluncaria
"Leda vinti" = Phestia speluncaria Geinitz 1848 clam
Gastropoda
 Euomphalina - Microdomatidae
"Turbo permianus" = Tunstallia helicina
"Turbo permianus" = Tunstallia helicina von Schlotheim 1820 snail
Ostracoda
 Platycopida - Cytherellidae
""Cythere" (Cytherella) nuciformis n. sp." = Cytherella nuciformis
""Cythere" (Cytherella) nuciformis n. sp." = Cytherella nuciformis Jones 1850 ostracod
 Palaeocopida - Kirkbyidae
"Dithyrocaris permiana n. sp." = Kirkbya permiana, "Dithyrocaris glypta n. sp." = Kirkbya permiana
"Dithyrocaris permiana n. sp." = Kirkbya permiana Jones 1850 ostracod
"Dithyrocaris glypta n. sp." = Kirkbya permiana Jones 1850 ostracod
 Podocopida - Bairdiocyprididae
""Cythere" (Cytherella) inornata" = Cytherellina tyronica
""Cythere" (Cytherella) inornata" = Cytherellina tyronica Jones 1860 ostracod
 Podocopida - Bairdiidae
""Cythere" kutorgiana n. sp." = Bairdia kutorgiana, ""Cythere" (Bairdia) curta" = Bairdia curta, ""Cythere" (Bairdia) gracilis" = Bairdia gracilis, ""Cythere" (Bairdia) acuta n. sp." = Bairdia acuta
""Cythere" kutorgiana n. sp." = Bairdia kutorgiana Jones 1850 ostracod
""Cythere" (Bairdia) curta" = Bairdia curta McCoy 1844 ostracod
""Cythere" (Bairdia) gracilis" = Bairdia gracilis McCoy 1844 ostracod
""Cythere" (Bairdia) acuta n. sp." = Bairdia acuta Jones 1850 ostracod
 Podocopida - Trachyleberididae
"Cythere" (Cythereis) biplicata n. sp.
"Cythere" (Cythereis) biplicata n. sp. Jones 1850 ostracod