Humbleton Hill, Durham (BMNH 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

Reposited in the BMNH

Primary reference: A. B. Smith and N. T. J. Hollingworth. 1990. Tooth structure and phylogeny of the Upper Permian echinoid Miocidaris keyserlingi. Proceedings of the Yorkshire Geological Society 48:47-60 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 161465: authorized by Matthew Clapham, entered by Matthew Clapham on 06.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida - Miocidaridae
"Miocidaris keyserlingi" = Eotiaris keyserlingi
"Miocidaris keyserlingi" = Eotiaris keyserlingi Geinitz 1848 pencil urchin