Fossil specimen : SM A 548 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Agnostida |
|---|---|
| Fossil Name | Agnostus calvus Lake |
| Type Status | Holotype |
| Name History | Agnostus calvus Lake: Holotype |
| Registration No. | A 548 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Fearnsides, William George (1879-1968) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments | part and counterpart |
| Country | Wales |
|---|---|
| Locality | Nant Rhos Ddu, Arenig, Merionethshire |
| Grid Reference | Not available |
| Rock Unit | Tremadoc |
|---|---|
| Biozone | Not available |
| Geological Age |
Tremadoc Series (Ordovician Period) (477.7 – 485.4 Ma B.P.) [Closest ICS interval: Tremadocian Age ] |
| References | Lake 1906. A monograph of the British Cambrian Trilobites Palaeontographical Society Monographs pt. i (1): p.23 pl. ii fig.18 |
|---|
Available Images
High resolution photographs
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Steroscopic photographs
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/CAMSM/P870513.jp2
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