GB3D Type Fossils

 Home   The project   Search  About fossils Contributors Downloads Links Contact us

Fossil specimen : SM A 35687 – Lectotype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class -

      Order -

Fossil Name Hesperorthis gwalia (Bancroft), 1949
Type Status Lectotype
Name History

Hesperorthis gwalia (Bancroft), 1949: Lectotype

Orthis gwalia Bancroft-Lamont nom. nud.

Registration No. A 35687
Collector Name not available
Donor or Associated Person Jones, O.T.
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences
Country Wales
Locality Pen-y-rhiw, Llanfair-ar-y-bryn, Llandovery, Wales
Grid Reference Not available
Rock Unit Lower Llandovery
Biozone A3
Geological Age

Llandovery Epoch (Silurian Period) (428.2 – 443.7 Ma B.P.)


Bancroft, B.B. & Lamont 1949 b. Welsh Valentian Brachiopods Quarry Managers' Journal vol. 7 (1): p.3 pl. i fig.9preprint (unpublished)

Cocks, L.R.M. 1978. A review of British Lower Palaeozoic Brachiopods, including a synoptic revision of Davidson's monograph Palaeontographical Society Monographs (2): p.46

Available Images

High resolution photographs


5462 KB


3901 KB

Steroscopic photographs


4852 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