Fossil specimen : OUM B.00002 – Paralectotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Asaphida |
|---|---|
| Fossil Name | Opsimasaphus |
| Type Status | Paralectotype |
| Name History | Opsimasaphus – See Morris (1988) Ptychocheilus radiatus (Salter, 1866) – See Morris (1988): Paralectotype Asaphus (?Basilicus) radiatus Salter, 1866 – See Edmonds (1949): Syntype Ptychocheilus radiatus (Salter, 1866) – See Reed (1931): Syntype Asaphus (?Basilicus) radiatus Salter, 1866 – See Salter (1866): Syntype |
| Registration No. | B.00002 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Blunt, Mr |
| Held By |
 Oxford University Museum of Natural History
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Berwyn Mountains, Denbighshire |
| Grid Reference | Available from host institution |
| Rock Unit | Unknown |
|---|---|
| Biozone | Not available |
| Geological Age |
Ashgill Series (Ordovician Period) (443.8 – 449 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
| References | EDMONDS, J.M. 1949. Type and figured specimens of Lower Palaeozoic trilobites in the University Museum, Oxford. Geol. Mag., 86, 57-66. p. 61 MORRIS, S.F. 1988. A review of British trilobites, including a synoptic revision of Salter's monograph. Palaeontogr. Soc. (Monogr.), 1-316. p. 252 MORRIS, S.F. 1988. A review of British trilobites, including a synoptic revision of Salter's monograph. Palaeontogr. Soc. (Monogr.), 1-316. p. 252 REED, F.R.C. 1931. A review of the British species of the Asaphidae. Ann. Mag. nat. Hist., series 10, VII, 441-472. p. 465 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. 157; pl. XVIII, fig. 1 |
|---|
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