Fossil specimen : BGS Geol.Soc.Coll.6829 – Lectotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Asaphida |
|---|---|
| Fossil Name | Salterolithus caractaci (Murchison) |
| Type Status | Lectotype |
| Name History | Salterolithus caractaci (Murchison) Trinucleus concentricus Eaton |
| Registration No. | Geol.Soc.Coll.6829 |
|---|---|
| Collector | Geol. Soc. 1911 |
| Donor or Associated Person | RI Murchison |
| Held By |
 British Geological Survey
|
| Comments | Specimen designated as Lectotype and also as designated Syntype. |
| Country | Wales |
|---|---|
| Locality | Wistanstow Welshpool |
| Grid Reference | Not available |
| Rock Unit | Caradoc Rocks (Undifferentiated) |
|---|---|
| Biozone | Not available |
| Geological Age |
Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
| References | Bancroft 1949 Mem. Proc. Man. Lit. Phil. Soc. Vol. 73 p.78-82 Caractaci,Sil. System pl 23 figs1a,b,d,f,j Cave, 1957, Geol. Mag. vol 94 p.284 Cited Bancroft 1949 Proc. Roy. Soc. B Vol. 13, No. 883 p.293 Cited Dean, 1960, Bull BM (NH) Vol. 4, No. 4 p.97 Figd Cave 1957 ibid pl. 10 fig 5 Figd Dean, 1958, Bull BM (NH) Vol. 3, No. 6 pl. 26 fig 5 Murchison 1839 "Silurian System" p.659 pl.23 fig 1b Refigd Murchison 1854 Siluria pl. 4 fig 2 Whittard, WF, 1958, Pal. Soc. Mon. "Ordovician Trilobites of the Shelve Inlier W Shropshire" p.83 |
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