Dover (Planus Zone) (Cretaceous of the United Kingdom)

Where: England, United Kingdom (51.1° N, 1.3° E: paleocoordinates 40.9° N, 2.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Holaster planus other zone, Upper Chalk Formation (Chalk Group), Late/Upper Turonian (93.5 - 89.3 Ma)

• Upper Chalk remains in informal use, but is obsolete onshore according to the BGS

• group of beds-level stratigraphic resolution

Environment/lithology: lithified chalk

• General group description: Chalk, with or without flint and discrete limestone, marl (calcareous mudstone), sponge, calcarenite, phosphatic, hardground and fossil-rich beds.

Size class: macrofossils

Reposited in the BMNH

Primary reference: N. E. Pettitt. 1950. Rhynchonellidae of the British Chalk. Rhynchonellidae of the British Chalk, Part I 103(450):1-26 [M. Clapham/M. Manojlovic/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 159332: authorized by Matthew Clapham, entered by Marko Manojlovic on 31.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Rhynchonellida - Tetrarhynchiidae
Cretirhynchia minor
Cretirhynchia minor Pettitt 1950
 Rhynchonellida - Basiliolidae
Orbirhynchia dispansa, Orbirhynchia reedensis
Orbirhynchia dispansa Pettitt 1954
Orbirhynchia reedensis Etheridge 1881