Chardstock (Tubingen coll.) (Cretaceous of the United Kingdom)

Where: England, United Kingdom (50.8° N, 3.0° W: paleocoordinates 39.6° N, 0.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lower Chalk Formation (Chalk Group), Cenomanian (100.5 - 93.9 Ma)

• Formation name remains in informal use but is considered obsolete onshore

• group of beds-level stratigraphic resolution

Environment/lithology: lithified chalk

• A grey marly chalk with marl content decreasing upwards. No flint. Comprises a thin basal bed of glauconitic marl (Cambridge Greensand) overlain by more typical Lower Chalk sequence that is usually divided into a lower "Chalk Marl" with rhythmic alternations of chalk and marl, and an upper "Grey Chalk" separated by a distinctive hard band. (Totternhoe Stone)

Size class: macrofossils

Collection methods: Repository: Geol. Palaont. Inst., University of Tubingen

Primary reference: N. E. Pettitt. 1954. A monograph of the Rhynchonellidae of the British Chalk. Part 2. Monograph of the Palaeontographical Society 107:27-52 [M. Clapham/M. Manojlovic/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 159614: authorized by Matthew Clapham, entered by Marko Manojlovic on 05.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Rhynchonellida - Basiliolidae
Orbirhynchia wiesti Quenstedt 1871