Nosterfield near Tanfield (Permian of the United Kingdom)

Where: England, United Kingdom (54.2° N, 1.6° W: paleocoordinates 16.8° 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: lithified limestone

Size class: macrofossils

Collected by Samuel Hailstone, Esq.

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 116166: authorized by Matthew Clapham, entered by Matthew Clapham on 06.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Productidae
"Producta calva" = Horridonia horrida
"Producta calva" = Horridonia horrida Sowerby 1822
var. alpha