GB3D Type Fossils

Fossil specimen : BGS GSM12445 – Lectotype

Taxonomy
Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Bivalvia

      Order -

Fossil Name Cyrtodonta? expansa
Type Status Lectotype
Name History

Cyrtodonta? expansa

Modiolopsis (Modiola) expansa (Portlock)

Provenance
Registration No. GSM12445
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

Figd Portlock 1843 Geol Rep Londonderry p.425 pl 33 fig 6

Reed 1952 Proc Roy Irish Acad 55 B No 3 p.71 pl 3 fig 16

Tunnicliff 1982 Pal Vol 25 Part 1 p.67 pl 11 fig 9

Scan Viewer
Rotate Zoom