Humbleton Hill, Durham (Kirkby coll) (Permian of the United Kingdom)

Where: 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)

• group of beds-level stratigraphic resolution

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

• Hill is composed of porous limestone, full of casts of shells, and marine remains, and has no marks of stratification. Colour, cream-yellow, here and there tinged ochre-yellow, and in one or two points I observed points of peach-blossom red. 51.5% "carbonate of lime", 44.8% "carbonate of magnesia".

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Kirkby

Primary reference: T. Davidson. 1858. A monograph of British Permian Brachiopoda 1-51 [M. Clapham/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 130867: authorized by Matthew Clapham, entered by Matthew Clapham on 15.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Spiriferinida - Spiriferellinidae
"Spiriferina cristata" = Spiriferellina cristata
"Spiriferina cristata" = Spiriferellina cristata von Schlotheim 1816
 Terebratulida - Dielasmatidae
"Terebratula elongata" = Dielasma elongatum
"Terebratula elongata" = Dielasma elongatum von Schlotheim 1816
 Rhynchonellida - Stenoscismatidae
"Camarophoria schlotheimi" = Stenoscisma schlotheimi
"Camarophoria schlotheimi" = Stenoscisma schlotheimi von Buch 1835
 Athyridida - Athyrididae
"Athyris pectinifera" = Cleiothyridina pectinifera
"Athyris pectinifera" = Cleiothyridina pectinifera Sowerby 1841
 Spiriferida - Strophopleuridae
"Spirifera alata" = Pterospirifer alatus
"Spirifera alata" = Pterospirifer alatus von Schlotheim 1813
Strophomenata
 Orthotetida - Schuchertellidae
Streptorhynchus pelargonatus
Streptorhynchus pelargonatus von Schlotheim 1816
 Productida - Productidae
"Productus horridus" = Horridonia horrida
"Productus horridus" = Horridonia horrida Sowerby 1822
 Productida - Strophalosiidae
"Strophalosia goldfussi" = Dasyalosia goldfussi, "Strophalosia lamellosa" = Craspedalosia lamellosa
"Strophalosia goldfussi" = Dasyalosia goldfussi Münster 1839
"Strophalosia lamellosa" = Craspedalosia lamellosa Geinitz 1848
var. humbletonensis
Bivalvia
 Solemyida - Solemyidae
"Solemya abnormis" = Dystactella biarmica
"Solemya abnormis" = Dystactella biarmica de Verneuil 1845 Awning Clam