Fossil specimen : SM A 11908 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Lichida |
|---|---|
| Fossil Name | Dicranopeltis polytoma (Angelin), 1854 |
| Type Status | Holotype |
| Name History | Dicranopeltis polytoma (Angelin), 1854 Dicranopeltis difurcata (Reed) Dicranopeltis Lichas bulbiceps Reed ex Phillips ms.: Holotype |
| Registration No. | A 11908 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Reed, Frederick Richard Cowper (1869-1946) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | England |
|---|---|
| Locality | Keisley, Westmorland, England |
| Grid Reference | Not available |
| Rock Unit | Keisley Limestone |
|---|---|
| Biozone | Not available |
| Geological Age |
Ashgill Series (Ordovician Period) (443.8 – 449 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
| References | Dean 1974. The trilobites of the Chair of Kildare limestone (Upper Ordovician) of Eastern Ireland Palaeontographical Society Monographs (4): p.80 Reed, F.R.C. 1896. Quarterly Journal of the Geological Society of London vol. lii (1): p.428 pl. xxi figs.8, 8 a-b Tripp 1958. Journal of Paleontology vol. xxxii (3): p.580 Warburg 1925. Bulletin of the Geological Institution of the University of Upsala vol. xvii (2): p.293 |
|---|
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