| Registration No. : |
GSM 23110 . |
Type : |
Holotype |
| Identifications : |
| New: |
Brachiopoda |
Pterotheca transversa (Portlock) |
| Old: |
Brachiopoda |
Atrypa transversa |
| Locality : |
Desertcreat, Caradoc |
| Grid Reference : |
Not available
|
Country : |
Northern Ireland |
| 1:50K map : |
34 Pomeroy |
|
| Chronostratigraphy : |
Caradoc Series
— Caradoc Series
|
| Lithostratigraphy : |
CARADOC ROCKS (UNDIFFERENTIATED) |
| Collector / Donor : |
Available from curator
|
| References : |
| basis of specimen figd Salter in Murchison's Siluria 1st Edition 1854 Page 196 and subsequent editions |
| Portlock 1843 Geol of Londonderry and parts of Tyrone and Fernanagh |
| Reed 1952 Proc Roy Irish Acad 55 B No 3 |
| A.F. Foerste, Mem Geol Surv Canada 138 1924 |
| Cocks 1978 Pal Soc Mon |
| Salter, Rep Brit Assoc for 1852 (1853) |
| J Brookes Knight "Palaeozoic Gastropod Genotypes" Geol. Soc. Amer. Special Papers No 32, 1941 |