Derbyshire (near Bolsover) (Permian of the United Kingdom)

Where: England, United Kingdom (53.3° N, 1.3° W: paleocoordinates 15.8° N, 15.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Seventh bed of White Watson's first Limestone (from "A Delineation of the Strata of Derbyshire")

• bed-level stratigraphic resolution

Environment/lithology: lithified, shelly/skeletal, gray, blue limestone

• "Shell-limestone, of a more compact texture, of a bluish-gray colour, containing petrified Bivalve shells" from Watson's A Delineation of the Strata of Derbyshire

Size class: macrofossils

Collected by White Watson

Primary reference: J. Sowerby. 1822. No. LVI 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 4:17-24 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116183: authorized by Matthew Clapham, entered by Matthew Clapham on 06.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Productida - Productidae
"Productus horridus n. sp." = Horridonia horrida
"Productus horridus n. sp." = Horridonia horrida Sowerby 1822