Where: Wiltshire, United Kingdom (51.5° N, 1.9° W: paleocoordinates 42.1° N, 8.1° E)
When: Pseudocordata ammonoid zone, Marston Ironstone Member (Ampthill Clay Formation), Late/Upper Oxfordian (161.2 - 155.7 Ma)
• Pseudoyo subzone
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, ferruginous, ooidal limestone
Size class: macrofossils
Collection methods: Repository: York Museum
Primary reference: J. K. Wright. 2010. The Aulacostephanidae (Ammonoidea) of the Oxfordian/Kimmeridgian boundary beds (Upper Jurassic) of southern England. Palaeontology 53:11-52 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 163935: authorized by Matthew Clapham, entered by Matthew Clapham on 19.11.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Ringsteadia brandesi Salfeld 1917 ammonite |