GB3D Type Fossils

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Fossil specimen : BGS GSM108100 – Paratype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Psiloceras planorbis
Type Status Paratype
Name History

Psiloceras planorbis

Pteromya wilkesleyensis Cox

Registration No. GSM108100
Collector British Geological Survey - Allander, R. 1959
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Comments Lower Lias - planorbis zone - planorbis subzone. 1" 122 (Nantwich). NGR: 628 415. Bh No: SJ 64 SW/7.
Country England
Locality Wilkesley Bh - Whitchurch - Cheshire.
Grid Reference Available from host institution
Rock Unit Lias Group
Biozone Not available
Geological Age

Aalenian Age (Jurassic Period) – Rhaetian Age (Triassic Period) (171.6 – 203.6 Ma B.P.)


Cox LR 1963 Palaeontology p.590 pl80.,fig5

Available Images

High resolution photographs


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Steroscopic photographs


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