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Fossil specimen : BGS GSM22052 – Paratype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Bivalvia

      Order -

Fossil Name Myodakryotus deigryn Tunnicliff
Type Status Paratype
Name History

Myodakryotus deigryn Tunnicliff

Modiolopsis sp

Registration No. GSM22052
Collector Museum
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Country Wales
Locality Pont Rhiwedog, Bala
Grid Reference Not available
Rock Unit Gelli-Grin Calcareous Ash Formation
Biozone Not available
Geological Age

Woolstonian Substage (Ordovician Period) – Longvillian Substage (Ordovician Period) (452.1 – 454 Ma B.P.)

[Closest ICS interval: Katian Age – Sandbian Age ]


Tunnicliff 1987 Pal Vol 30, Part 4 p.685 pl 77 fig 6

Available Images

High resolution photographs


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Steroscopic photographs


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