GB3D Type Fossils

 Home   The project   Search  About fossils Contributors Downloads Links Contact us

Fossil specimen : BGS GSM75208 – Paratype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Asaphida

Fossil Name Marrolithoides simplex Williams
Type Status Paratype
Name History

Marrolithoides simplex Williams

Registration No. GSM75208
Collector Name not available
Donor or Associated Person A. Williams
Held By British Geological Survey Logo British Geological Survey
Country Wales
Locality Llangadock quarry
Grid Reference Not available
Rock Unit Llandeilo Flags Formation
Biozone Not available
Geological Age

Caradoc Series (Ordovician Period) – Abereiddian Stage (Ordovician Period) (449 – 465.5 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch – Darriwilian Age ]


Whittard, WF, 1956, Pal. Soc. Mon. "Ordovician Trilobites of the Shelve Inlier W Shropshire" p.65

Williams A Geol Mag 1948 p.80 pl. 6 fig 5 8

Available Images

High resolution photographs


6184 KB


5630 KB


3916 KB

Steroscopic photographs


5704 KB


4807 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