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Lower Cambrian echinoderm plates from Cowley, Shropshire, England

  • S. K. Donovan (a1) and C. R. C. Paul (a1)

Summary

Echinoderm plates from the Protolenus Limestone are recognised as belonging to three groups; plates with folded surfaces, plates with bevelled edges and a third group. They are not comparable with other Lower Cambrian echinoderms and may be derived from a genus or genera of eocrinoid which is not known from complete specimens.

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References

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Cobbold, E. S. 1909. On some excavations in the Cambrian rocks of Comley, Shropshire, 1907. Rep. Br. Ass. Advmt. Sci. for 1908, 231–42.
Cobbold, E. S. 1927. The stratigraphy and geological structure of the Cambrian area of Comley (Shrophsire). Q. J1 geol. Soc. Lond. 83, 551–73, pl. 43.
Cobbold, E. S. 1931. Additional fossils from the Cambrian rocks of Comley, Shropshire. Q. Jl geol. Soc. Lond. 87, 459512, pls. 38–41.
Cowie, J. W., Rushton, A. W. A. & Stubblefield, C. J. 1972. A correlation of Cambrian rocks in the British Isles. Spec. Rep. geol. Soc. Lond. No. 2, 142.
Derstler, K. 1975. Carpoid echinoderms from Pennsylvania. Geol. Soc. Am. Abstracts with Programs 7, 48.
Derstler, K. 1981. Morphological diversity of Early Cambrian echinoderms. In Short Papers for the Second International Symposium on the Cambrian System, U.S.G.S. Open File Report 1981–743 (ed. Taylor, M. E.), pp. 71–5.
Durham, J. W. 1967(a). Notes on the Helicoplacoidea and early echinoderms. J. Paleont. 41, 97102, pl. 14.
Durham, J. W. 1967(b). Camptostromatoids. In Treatise on Invertebrate Paleontology, part S, Echinodermata 1 (ed. Moore, R. C.), pp. S627–S631. Geological Society of America and University of Kansas Press.
Durham, J. W. 1978. A Lower Cambrian eocrinoid. J. Paleont. 52, 195–9, pl. 1.
Paul, C. R. C. 1968. Macrocystella Callaway, the earliest glyptocystitid cystoid. Palaeontology 11, 580600, pls 111–13.
Schuchert, C. 1919. A Lower Cambrian edrioasteroid, Stromatocystites walcotti. Smithson. misc. Collns. 70, 18, pl. 1.
Sprinkle, J. 1973. Morphology and evolution of blastozoan echinoderms. Cambridge, Mass.: Special Publication, Museum of Comparative Zoology, Harvard University.
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Geological Magazine
  • ISSN: 0016-7568
  • EISSN: 1469-5081
  • URL: /core/journals/geological-magazine
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