GB3D Type Fossils

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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, University of Cambridge
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) (433.4 – 443.8 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 i fig.9preprint (unpublished)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

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