Hostname: page-component-745bb68f8f-g4j75 Total loading time: 0 Render date: 2025-01-12T01:45:06.425Z Has data issue: false hasContentIssue false
  • English
  • Français

Discussion of the function of extrathecal structures in graptoloids

Published online by Cambridge University Press:  01 May 2009

N. H. Kirk
N. H. Kirk
Affiliation:
Department of Geology, University College of Wales, Aberystwyth Wales
Rights & Permissions [Opens in a new window]

Abstract

An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'
Type
Correspondence
Information
Geological Magazine , Volume 112 , Issue 3 , May 1975 , pp. 322 - 324
Copyright
Copyright © Cambridge University Press 1975

References

Bulman, O. M. B. 1970. Graptolithina. In Moore, R. C. (Ed.): Treatise on invertebrate palaeontology, Pt. V. Geol. Soc. America and Univ. of Kansas Press, New York.Google Scholar
Elles, G. L. & Wood, E. M. R. 1908. A Monograph of British Graptolites. Paleontogr. Soc. Monogr., Pt. VII, 318–33.Google Scholar
Jones, W. D. V. & Rickards, R. B. 1967. Diplograptus penna Hopkinson 1869, and its bearing on vesicular structures. Palaont. Zeitschr., v. 41, 173–85.CrossRefGoogle Scholar
Kirk, N. H. 1969. Some thoughts on the ecology, mode of life, and evolution of the Graptolithina. Proc. geol. Soc. No. 1659, 273–92.Google Scholar
Kirk, N. H. 1972(a). More thoughts on the automobility of the graptolites. Jl geol. Soc. 128, 127–33.CrossRefGoogle Scholar
Kirk, N. H. 1972(b). Some thoughts on the construction of the rhabdosome in the Graptolithina, with special reference to extrathecal tissue and its bearing on the theory of automobility. Geol. Dept. Publ. No. 1, University College of Wales, Aberystwyth.Google Scholar
Kirk, N. H. 1973. Some thoughts on the construction and functioning of the rhabdosome in the Retiolitidae. Geol. Dept. Publ. No. 3, University College of Wales, Aberystwyth.Google Scholar
Rickards, R. B. & Koren, T. N. 1974. Virgellar meshworks and sicular spinosity in Llandovery graptoloids. Geol. Mag. 111 (3), 193–204.CrossRefGoogle Scholar