ARC Broadcraft Quarry, Roach blocks (Jurassic of the United Kingdom)

Where: England, United Kingdom (50.5° N, 2.4° W: paleocoordinates 41.3° N, 7.6° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Titanites anguiformis ammonoid zone, Purbeck Limestone Formation, Late/Upper Tithonian (150.8 - 145.0 Ma)

• Towards the top of the Portland Limestone Formation is a highly fossiliferous oolitic grainstone locally called roach. The Roach Bed forms part of the Titanites anguiformis

•Zone.

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified, ooidal packstone

• Oolitic sand facies between the reef facies.

Size class: macrofossils

Collection methods: Repository: Geo Centrum Brabant

Primary reference: R. H. B. Fraaye and J. S. H. Collins. 1996. Two new decapod crustaceans from the Portlandian of Dorset, England. Proceedings of the Geologists Association 107:323-326 [C. Schweitzer/E. Johnson/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 146255: authorized by Carrie Schweitzer, entered by Evaline Johnson on 19.06.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Malacostraca
 Decapoda - Galatheidae
Eomunidopsis portlandica n. sp.
Eomunidopsis portlandica n. sp. Fraaye and Collins 1996 decapod
 Decapoda - Longodromitidae
Dioratiopus primitivus n. sp.
Dioratiopus primitivus n. sp. Fraaye and Collins 1996 crab