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, 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.) |
| References | 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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