Fossil specimen : OUM B.02508 – Lectotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Asaphida |
|---|---|
| Fossil Name | Asaphellus homfrayi (Salter, 1866) |
| Type Status | Lectotype |
| Name History | Asaphellus homfrayi (Salter, 1866) – See Morris (1988): Lectotype Asaphus (?Isotelus) homfrayi Salter, 1866 – See Edmonds (1949): Syntype Asaphellus homfrayi (Salter, 1866) – See Lake (1942): Syntype Asaphus (?Isotelus) homfrayi Salter, 1866 – See Salter (1866): Syntype Asaphus (?Isotelus) homfrayi Salter, 1866 – See Salter (1866): Syntype |
| Registration No. | B.02508 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Ash, F. ex Mr Homfray's Cabinet |
| Held By |
 Oxford University Museum of Natural History
|
| Comments | Counterpart of Sedgwick Musem A.1266 |
| Country | Wales |
|---|---|
| Locality | Under the Garth, near Tremadoc, Porthmadog, Gwynedd |
| Grid Reference | Available from host institution |
| Rock Unit | Unknown |
|---|---|
| Biozone | Not available |
| Geological Age |
Tremadoc Series (Ordovician Period) (477.7 – 485.4 Ma B.P.) [Closest ICS interval: Tremadocian Age ] |
| References | EDMONDS, J.M. 1949. Type and figured specimens of Lower Palaeozoic trilobites in the University Museum, Oxford. Geol. Mag., 86, 57-66. p. 60 LAKE, P. 1942. A Monograph of the British Cambrian trilobites, part 13. Palaeontogr. Soc. (Monogr.), 307-332, pls XLIV-XLVI. pp. 320, 321 MORRIS, S.F. 1988. A review of British trilobites, including a synoptic revision of Salter's monograph. Palaeontogr. Soc. (Monogr.), 1-316. pp. 26, 255 SALTER, J.W. 1866. A Monograph of the British Trilobites from the Cambrian, Silurian, and Devonian formations, part 3. Palaeontogr. Soc. (Monogr.), 129-176, XV-XXV. p. 165; pl. XXIV, fig. 6 SALTER, J.W. 1866. Appendix on the fossils of North Wales. 239-363, 372-381. In RAMSAY, A.C. Geology of North Wales. Mem. geol. Surv. N. Wales, 3, viii + 381 pp., pls 1-28. p. 311; pl. 8, fig. 11 |
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