GB3D Type Fossils

 Home   The project   Search  About fossils Contributors Downloads Links Contact us

Fossil specimen : SM A 40934 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class Rhynchonellata

      Order Orthida

Fossil Name Salopia salteri var. gracilis Williams
Type Status Holotype
Name History

Salopia salteri var. gracilis Williams: Holotype

Rafinesquina subarachnoidea Reed

Registration No. A 40934
Collector Name not available
Donor or Associated Person Name not available
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences
Comments part and counterpart : (parts a-b)
Country Wales
Locality Derfel gorge, Arenig Station, Wales
Grid Reference Not available
Rock Unit Derfel Limestone
Biozone Not available
Geological Age

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

[Closest ICS interval: Late Ordovician Epoch ]


Elles, G.L. 1922. The Bala Country: its Structure and Rock Succession Quarterly Journal of the Geological Society of London volume lxxviii pages 132 - ? (1): p.169

Williams 1955. Philosophical Transactions of the Royal Society (B) vol. 238 (2): p.410 pl.38 fig.50 (a.40, 934b)

Available Images

High resolution photographs


4157 KB


3370 KB


3999 KB

Steroscopic photographs


3921 KB


4352 KB

View these images in your web browser using our JPEG2000 viewer. Zoom in and out and pan around in high resolution. Requires JavaScript to be enabled.

Download these images as high resolution JPEG2000 files. You may need to use image-editing software to view these files.

click image or here to close