Fossil specimen : SM A 41717 – Paratype
| Taxonomic Group |
Kingdom Animalia Phylum Brachiopoda Class Rhynchonellata Order Orthida |
|---|---|
| Fossil Name | Heterorthis retrorsistria (McCoy), 1851 |
| Type Status | Paratype |
| Name History | Heterorthis retrorsistria (McCoy), 1851 Orthis retrorsistria McCoy Orthis retrorsistria McCoy Orthis retrorsistria McCoy: Paratype Orthis retrorsistria McCoy |
| Registration No. | A 41717 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Name not available |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Pen y Gaer, Cerrig y Druidon, Holyhead Road, Denbighshire, Wales |
| Grid Reference | Not available |
| Rock Unit | Lower Bala Flags |
|---|---|
| Biozone | Not available |
| Geological Age |
Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
| References | Cocks, L.R.M. 1978. A review of British Lower Palaeozoic Brachiopods, including a synoptic revision of Davidson's monograph Palaeontographical Society Monographs (5): pp.73,215 Davidson 1883. British fossil Brachiopoda Palaeontographical Society Monographs vol. v (3): p.185 pl. xiv fig.10 McCoy 1851 c. Annals and Magazine of Natural History ser. (2) vol. viii (1): p.396 McCoy 1852 a. A synopsis of the classification of the British Palaeozoic rocks with a systematic description of the British Palaeozoic fossils Palaeontographical Society Monographs (2): pp.224, 370 McCoy 1854 a. Contributions to British Palaeontology (1): p.218 Woods, H. 1891. Catalogue of the Type Fossils in the Woodwardian Museum, Cambridge. Henry Woods with preface by T. McKenny Hughes CUP. 180+xiv SPL: II. 16 (4): p.57 |
|---|
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