GB3D Type Fossils

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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 Logo 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 ]


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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1: /OUMNH/B02508_01_01

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