Fossil specimen : SM A 5876 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Phacopida |
|---|---|
| Fossil Name | Platycalymene tasgarensis Shirley |
| Type Status | Holotype |
| Name History | Platycalymene tasgarensis Shirley: Holotype Platycalymene tasgarensis Shirley: Holotype Calymene duplicata Murchison |
| Registration No. | A 5876 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Keeping, Henry (1827-1924) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | England |
|---|---|
| Locality | Tasgar Quarry, Shelve, Shropshire, England |
| Grid Reference | Not available |
| Rock Unit | Stapeley Ash |
|---|---|
| Biozone | Didymograptus bifidus |
| Geological Age |
Abereiddian Stage (Ordovician Period) (460.5 – 465.5 Ma B.P.) [Closest ICS interval: Darriwilian Age ] |
| References | Shirley 1936. Quarterly Journal of the Geological Society of London vol. xcii (2): p.402 pl. xxix figs.14 (a.5876 b), 15 (a.5876 a) Whittard, W.F. 1960 for 1959. The Ordovician trilobites of the Shelve Inlier, West Shropshire Palaeontographical Society Monographs (3): pp.152, 154 |
|---|
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