GB3D Type Fossils

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Fossil specimen : BGS GSM12448 – Lectotype

Taxonomy
Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Bivalvia

      Order -

Fossil Name Cyrtodonta? securiformis (Portlock)
Type Status Lectotype
Name History

Cyrtodonta? securiformis (Portlock)

Modiolopsis securiformis (Portlock)

Provenance
Registration No. GSM12448
Collector Portlock
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Comments
Location
Country Northern Ireland
Locality Desertcreat, Caradoc
Grid Reference Not available
Stratigraphy
Rock Unit Caradoc Rocks (Undifferentiated)
Biozone Not available
Geological Age

Caradoc Series (Ordovician Period) (451 – 460.9 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]

References
References

Reed 1952 Proc Roy Irish Acad 55 B No 3 p.70 pl 3 fig 15

Tunnicliff 1982 Pal Vol 25 Part 1 p.69 pl 11 figs 7&10

Available Images

High resolution photographs

/BGS/P815807.JP2

2997 KB

Steroscopic photographs

/BGS/P816604.JP2

4528 KB


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