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. |