| Registration No. : |
GSM 12833 . |
Type : |
Lectotype |
| Identifications : |
| New: |
Arthropoda: Trilobita |
Opsimasaphus radiatus (Salter) |
| Locality : |
Hendre-wen, Cerrig y Druidion,Denbighshire |
| Grid Reference : |
Available from curator
|
Country : |
Wales |
| 1:50K map : |
|
|
| Chronostratigraphy : |
Rawtheyan Stage
— Hirnantian Age
|
| Lithostratigraphy : |
ASHGILL FORMATION |
| Collector / Donor : |
Available from curator
|
| References : |
| Probably 12833 and possibly 12834 used by Salter to ilustrate Mem. Geol. Surv. vol. III(1866)Salter 1866, Mon. Brit. Trilobites etc. Palaeont. Soc. |
| HB.Whittington,1965 Pal. Soc. Mon. "Ord. Tril. Bala" pt.III |
| Ingham Pal. Soc. Mon. 1970 pg. 18 |
| J. C. Harper, 1952, Sc. Proc. Roy. Dublin Soc. vol. 26(NS) no. 4 pg. 109. |
| Salter 1866, Mon. Brit. Trilobites etc. Palaeont. Soc. |
