GB3D Type Fossils

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Fossil specimen : SM A 30031 – Lectotype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class Strophomenata

      Order Strophomenida

Fossil Name Strophonella (Eostrophonella) davidsoni (Holtedahl)
Type Status Lectotype
Name History

Strophonella (Eostrophonella) davidsoni (Holtedahl): Lectotype

Strophonella (Eostrophonella) davidsoni (Holtedahl)

Amphistrophia davidsoni Holtedahl: Syntype

Strophomena euglypha (Hisinger)

Registration No. A 30031
Collector Name not available
Donor or Associated Person Name not available
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Comments part and counterpart : (parts a-b)
Country Wales
Locality Sevin (Sefin footbridge, Williams 1951), Llettyrhyddan (Lletty'rhyddod, Williams 1951), Llandovery, Carmarthenshire, Wales
Grid Reference Not available
Rock Unit Lower Llandovery
Biozone C1
Geological Age

Llandovery Epoch (Silurian Period) (433.4 – 443.8 Ma B.P.)


Cocks, L.R.M. 1978. A review of British Lower Palaeozoic Brachiopods, including a synoptic revision of Davidson's monograph Palaeontographical Society Monographs (4): p.132

Davidson 1871. British fossil Brachiopoda Palaeontographical Society Monographs vol. iii, part vii (1): p.288 pl. xl fig.5

Holtedahl 1916 for 1915. Skrifter utgitt av det norske Videnskapsakademi i Oslo. Math.-naturv. Klasse no. 12 (2): p.64

Williams, Alwyn 1951. Quarterly Journal of the Geological Society of London vol. cvii (3): p.128 pl. viii figs.15-16 (a.30, 031b)

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