Also known as Chale Bay
Where: England, United Kingdom (50.6° N, 1.3° W: paleocoordinates 39.9° N, 8.6° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Epicheloniceras martinoides ammonoid zone, Upper Gryphaea Member (Ferruginous Sands Formation), Late/Upper Aptian (122.5 - 113.0 Ma)
• Group X lies within the upper Aptian Epicheloniceras martinioides Zone, at a boundary interval between the Epicheloniceras gracile Subzone and Epicheloniceras buxtorfi Subzone according to Ruffell and Garden (1997). H
• group of beds-level stratigraphic resolution
Environment/lithology: marine; ferruginous, silty sandstone
Size class: macrofossils
• Hollow mould, internal mould, etc.
Collection methods: chemical
• The material and its associated rubber casts are stored in the Natural History Museum, London (acronym NHMUK). All actual specimens figured, as well as the rubber casts, were coated with ammonium chloride prior to photography in order to highlight morphological details
Primary reference: J. Lehmann, M. I. Simpson, and H. M. Bayliss. 2020. A new ammonite fauna from the Walpenites horizon of the upper Aptian (Lower Cretaceous), Isle of Wight, southern England. Proceedings of the Geologists’ Association 131(3-4):321-333 [E. Vlachos/F. Aspromonte]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 232865: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 03.01.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
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Walpenites tardespinatus, Epicheloniceras martinioides, Epicheloniceras subnodosocostatum, "Epicheloniceras tschernyschewi" = Cheloniceras (Epicheloniceras) tschernyschewi
Walpenites tardespinatus Casey 1962 ammonite NHMUK PI CA 5822, NHMUK PI CA 5826a-b, NHMUK PI CA 5827, NHMUK PI CA 5828
"Epicheloniceras tschernyschewi" = Cheloniceras (Epicheloniceras) tschernyschewi Sinzow 1906 ammonite NHMUK PI CA 5830-5833
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