Where: England, United Kingdom (51.8° N, 0.8° W: paleocoordinates 41.6° N, 0.9° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Holaster planus ammonoid zone, Chalk Rock Member (Lewes Nodular Chalk Formation), Late/Upper Turonian (93.5 - 89.3 Ma)
• Formation name remains in informal use but is obsolete onshore according to the BGS
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, hardground, nodular, muddy chalk
Size class: macrofossils
Reposited in the SM
• Montagu Smith Collection
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 159659: authorized by Matthew Clapham, entered by Marko Manojlovic on 06.08.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Orbirhynchia dispansa Pettitt 1954 |