Humbleton Quarry, Durham (Sedgwick coll) (Permian of the United Kingdom)

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

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Higher bed of yellow Magnesian limestone

• group of beds-level stratigraphic resolution

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

Size class: macrofossils

Preservation: cast

Collected by Adam Sedgwick in 1821

Primary reference: J. d. C. Sowerby. 1827. No. XCVI of the mineral conchology of Great Britain; or colored figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the Earth. The Mineral Conchology of Great Britain 6:109-120 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116168: authorized by Matthew Clapham, entered by Matthew Clapham on 06.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Nautilida - Liroceratidae
"Nautilus freieslebeni" = Peripetoceras freieslebeni1
"Nautilus freieslebeni" = Peripetoceras freieslebeni1 Geinitz 1843 nautiloid
Gastropoda
 Murchisoniina - Gosseletinidae
"? Pleurotomaria antrina" = Bradyospira antrina1
"? Pleurotomaria antrina" = Bradyospira antrina1 von Schlotheim 1816 snail
Bivalvia
 Arcida - Parallelodontidae
"Arca tumida" = Parallelodon striatus2, "Cucullaea sulcata n. sp." = Parallelodon striatus2
"Arca tumida" = Parallelodon striatus2 von Schlotheim 1816 clam
"Cucullaea sulcata n. sp." = Parallelodon striatus2 von Schlotheim 1816 clam
 Myalinida - Myalinidae
"Modiola acuminata" = Liebea septifer2
"Modiola acuminata" = Liebea septifer2 King 1844 clam
 Pectinida - Limidae
? Plagiostoma sp.2 Sowerby 1814 file clam
 Pectinida - Pseudomonotidae
"Monotis radialis" = Pseudomonotis (Pseudomonotis) speluncaria1, "Avicula gryphaeoides n. sp." = Pseudomonotis (Pseudomonotis) speluncaria2
"Monotis radialis" = Pseudomonotis (Pseudomonotis) speluncaria1 von Schlotheim 1816 scallop
"Avicula gryphaeoides n. sp." = Pseudomonotis (Pseudomonotis) speluncaria2 von Schlotheim 1816 scallop
 Pectinida - Streblochondriidae
"Pecten pusillus" = Streblopteria pusilla1
"Pecten pusillus" = Streblopteria pusilla1 von Schlotheim 1816 scallop
 Ostreida - Bakevelliidae
"Bakevellia ceratophaga" = Bakevellia (Bakevellia) ceratophaga1
"Bakevellia ceratophaga" = Bakevellia (Bakevellia) ceratophaga1 von Schlotheim 1816 oyster
 Trigoniida - Schizodidae
? Schizodus truncatus1 King 1844 clam
Strophomenata
 Orthotetida - Schuchertellidae
"Spirifer minutus" = Streptorhynchus pelargonatus2
"Spirifer minutus" = Streptorhynchus pelargonatus2 von Schlotheim 1816
 Productida - Productidae
"Producta horrida" = Horridonia horrida2, "Producta calva" = Horridonia horrida
"Producta horrida" = Horridonia horrida2 Sowerby 1822
"Producta calva" = Horridonia horrida Sowerby 1822
var. beta
 Productida - Strophalosiidae
Rhynchonellata
 Rhynchonellida - Stenoscismatidae
"? Camarophoria schlotheimi" = Stenoscisma schlotheimi1
"? Camarophoria schlotheimi" = Stenoscisma schlotheimi1 von Buch 1835
 Spiriferinida - Paraspiriferinidae
"Spirifer multiplicatus" = Paraspiriferina multiplicata2
"Spirifer multiplicatus" = Paraspiriferina multiplicata2 Sowerby 1829
 Spiriferida - Strophopleuridae
""Spirifer" undulatus" = Pterospirifer alatus2
""Spirifer" undulatus" = Pterospirifer alatus2 von Schlotheim 1813
 Athyridida - Athyrididae
"Atrypa pectinifera n. sp." = Cleiothyridina pectinifera3
"Atrypa pectinifera n. sp." = Cleiothyridina pectinifera3 Sowerby 1841
 Terebratulida - Dielasmatidae
"Epithyris elongata" = Dielasma elongatum1
"Epithyris elongata" = Dielasma elongatum1 von Schlotheim 1816
Stenolaemata
 Cryptostomata - Acanthocladiidae
"Retepora virgulacea n. sp." = Synocladia dubia2
"Retepora virgulacea n. sp." = Synocladia dubia2 Schlotheim 1820
 Cryptostomata - Fenestellidae
"Retepora flustracea n. sp." = Rectifenestella retiformis2
"Retepora flustracea n. sp." = Rectifenestella retiformis2 von Schlotheim 1816
Crinoidea
 Cyathocrinida - Cyathocrinitidae
"Cyathocrinites planus" = Cyathocrinites ramosus2
"Cyathocrinites planus" = Cyathocrinites ramosus2 von Schlotheim 1816 Sea lily