Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class - Order Bradoriida |
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Fossil Name | Cyclotron lapworthi (Groom, 1902) |
Type Status | Paralectotype |
Name History | Cyclotron lapworthi (Groom, 1902) – See Williams & Siveter (1998): Paralectotype Cyclotron lapworthi (Groom, 1902) – See Williams et al. (1994): Paralectotype Polyphyma lapworthi Groom, 1902 – See Groom (1902): Syntype Polyphyma lapworthi Groom, 1902 – See Groom (1902): Syntype |
Registration No. | A.01251 |
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Collector | Groom, T.T. 1897 |
Donor or Associated Person | Groom, T.T. |
Held By | Oxford University Museum of Natural History |
Comments | In same wooden slide as A.1250 |
Country | England |
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Locality | North end of Chase End Hill, Malverns, Gloucestershire |
Grid Reference | Available from host institution |
Rock Unit | White-leaved Oak Shale Formation |
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Biozone | Olenus |
Geological Age |
Merioneth Series (Cambrian Period) (485.4 – 499 Ma B.P.) [Closest ICS interval: Furongian Epoch – Cambrian Series 3 ] |
References | GROOM, T.T. 1902. On Polyphyma, a new genus belonging to the Leperditiadae from the Cambrian Shales of Malvern. Q. Jl. geol. Soc. Lond., LVIII, 83-88. p. 83 GROOM, T.T. 1902. The sequence of the Cambrian and associated beds of the Malvern Hills. Q. Jl. geol. Soc. Lond., LVIII, 89-149. p. 100, table VI on p. 109 WILLIAMS, M. and SIVETER, David J. 1998. British Cambrian and Tremadoc bradoriid and phosphatocopid arthropods. Palaeontogr. Soc. (Monogr.), 152, 1-49, pls 1-6. pp. 32 - 33 WILLIAMS, M., SIVETER, David J., RUSHTON, A.W.A. and BERG-MADSEN, V. 1994. The Upper Cambrian bradoriid ostracod Cyclotron lapworthi is a hesslandonid. Trans. R. Soc. Edin., Earth Sciences, 85, 123-130. pp. 123, 124, 126, 128; fig. 6 (m) |
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