Fossil specimen : SM A 888 – Lectotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Phacopida |
|---|---|
| Fossil Name | Anacheirurus frederici (Salter) |
| Type Status | Lectotype |
| Name History | Anacheirurus frederici (Salter) Anacheirurus frederici (Salter): Lectotype Cheirurus frederici Salter Cheirurus frederici Salter Cheirurus frederici Salter Cheirurus (Eccoptochile) frederici Salter |
| Registration No. | A 888 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Homfray, David (1822-1893) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Garth Hill, Portmadoc, Caernarvonshire, Wales |
| Grid Reference | Not available |
| Rock Unit | Upper Tremadoc Slate |
|---|---|
| Biozone | Not available |
| Geological Age |
Tremadoc Series (Ordovician Period) (477.7 – 485.4 Ma B.P.) [Closest ICS interval: Tremadocian Age ] |
| References | Lane 1971. British Cheiruridae (Trilobita) Palaeontographical Society Monographs (6): p.71 Ramsay 1866 b. Memoirs of the Geological Survey of England and Wales vol. iii (1st edition) (2): p.322 fig.10 (pars, cephalon) Salter & Ramsay 1881. The geology of North Wales Memoirs of the Geological Survey of England and Wales 2nd edition (2): p.520 fig.10 (pars) Salter 1864. A monograph of the British trilobites from the Cambrian, Silurian and Devonian formations Palaeontographical Society Monographs (1): p.74 pl.5 fig.21 (pars cephalon) Salter 1873. Catalogue of the Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge (3): p.17 Whillard 1967. Geological Magazine vol. civ (5): p.285 pl. xv fig.6 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.142 |
|---|
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