GB3D Type Fossils

 Home   The project   Search  About fossils Contributors Downloads Links Contact us

Fossil specimen : BGS GSM103611 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class -

      Order -

Fossil Name Rhactorthis crassa Williams
Type Status Holotype
Name History

Rhactorthis crassa Williams

Registration No. GSM103611
Collector Name not available
Donor or Associated Person BM(NH)
Held By British Geological Survey Logo British Geological Survey
Country Wales
Locality Meis-meillion Farm, Craigian Bychain
Grid Reference Not available
Rock Unit Caradoc Rocks (Undifferentiated)
Biozone Not available
Geological Age

Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]


Williams 1963, Bull BM(NH) vol.8 no.7 pl.4, fig2

Available Images

High resolution photographs


4623 KB

Steroscopic photographs


8118 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