Fossil specimen : BGS Geol.Soc.Coll.6836a – Lectotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Asaphida |
|---|---|
| Fossil Name | Trinucleus fimbriatus Murchison |
| Type Status | Lectotype |
| Name History | Trinucleus fimbriatus Murchison |
| Registration No. | Geol.Soc.Coll.6836a |
|---|---|
| Collector | RI Murchison 1911 |
| Donor or Associated Person | Name not available |
| Held By |
 British Geological Survey
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Gwern-y-fach Builth Radnorshire |
| Grid Reference | Not available |
| Rock Unit | Llandeilo Flags Formation |
|---|---|
| Biozone | Not available |
| Geological Age |
Caradoc Series (Ordovician Period) – Abereiddian Stage (Ordovician Period) (449 – 465.5 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch – Darriwilian Age ] |
| References | Cave, 1957, Geol. Mag. vol 94 p.283 Hughes 1971 Bull. BM. NH vol. 20 no. 4 p.178 Selected Stubblefield & Whittington Int Comm Zool Nom Opinion 505 Vol 18 Part 8 Page 164 p.164 Whittard, WF, 1956, Pal. Soc. Mon. "Ordovician Trilobites of the Shelve Inlier W Shropshire" p.45-46 pl. 6 fig 4 |
|---|
Available Images
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/BGS/P814787.JP2
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/BGS/P859032.JP2
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/BGS/P815307.JP2
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