Taxonomic Group |
Kingdom Animalia Phylum Brachiopoda Class - Order - |
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Fossil Name | Pterotheca transversa (Portlock) |
Type Status | Holotype |
Name History | Pterotheca transversa (Portlock) Atrypa transversa |
Registration No. | GSM23110 |
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Collector | Portlock |
Donor or Associated Person | Name not available |
Held By | British Geological Survey |
Comments | See Cocks, 1978 Pal Soc Mon Page 169 misquoted as 32110 Also Holotype by Monotypy |
Country | Northern Ireland |
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Locality | Desertcreat, Caradoc |
Grid Reference | Not available |
Rock Unit | Caradoc Rocks (Undifferentiated) |
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Biozone | Not available |
Geological Age |
Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
References | A.F. Foerste, Mem Geol Surv Canada 138 1924 p.218-219 Cocks 1978 Pal Soc Mon p.169 J Brookes Knight "Palaeozoic Gastropod Genotypes" Geol. Soc. Amer. Special Papers No 32, 1941 p.283 pl 16 fig 3 Portlock 1843 Geol of Londonderry and parts of Tyrone and Fernanagh p.455 Reed 1952 Proc Roy Irish Acad 55 B No 3 p.92 Salter, Rep Brit Assoc for 1852 (1853) p.61 basis of specimen figd Salter in Murchison's Siluria 1st Edition 1854 Page 196 and subsequent editions fig 4 25 |
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