GB3D Type Fossils

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Fossil specimen : OUM C.00009 – Lectotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Phacopida

Fossil Name Acaste inflata (Salter, 1864)
Type Status Lectotype
Name History

Acaste inflata (Salter, 1864) – See Thomas (1998): Lectotype

Acaste inflata (Salter, 1864) – See Morris (1988): Lectotype

Acaste inflata (Salter, 1864) – See Shergold (1966): Lectotype

Phacops downingiae Murchison, 1839 – See Edmonds (1949): Syntype

Phacops (Acaste) downingiae Murchison, 1839 – See Salter (1864): Syntype

Registration No. C.00009
Collector Name not available
Donor or Associated Person Grindrod, R.B. 1882 – 1883
Held By Oxford University Museum of Natural History Logo Oxford University Museum of Natural History
Comments Originally mounted on tablet with C.559
Country England
Locality Railway Tunnel?, Ledbury, Herefordshire
Grid Reference Available from host institution
Rock Unit Much Wenlock Limestone Formation
Biozone Not available
Geological Age

Homerian Age (Silurian Period) (427.4 – 430.5 Ma B.P.)


EDMONDS, J.M. 1949. Type and figured specimens of Lower Palaeozoic trilobites in the University Museum, Oxford. Geol. Mag., 86, 57-66. p. 65

MORRIS, S.F. 1988. A review of British trilobites, including a synoptic revision of Salter's monograph. Palaeontogr. Soc. (Monogr.), 1-316. pp. 9, 242

SALTER, J.W. 1864. A Monograph of the British Trilobites from the Cambrian, Silurian and Devonian formations, part 1. Palaeontogr. Soc. (Monogr.), 1-80, I-VI. p. 27; pl. II, fig. 30

SHERGOLD, J.H. 1966. A revision of Acaste downingia (Murchison) and related Trilobites. Palaeontology, 9 (2), 183-207. p. 192; pl. 29, figs 9 - 14

THOMAS, A.T. 1998. Variation in the eyes of the Silurian trilobites Eophacops and Acaste and its significance. Palaeontology, 41 (5), 897-911, 1 pl. pp. 900 - 907; pl. 1, figs 6, 9 - 11, text-figs 5 B, C

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