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Growth of the glabella of Dalmanitina olini

Published online by Cambridge University Press:  01 May 2009

J. T. Temple
J. T. Temple
Affiliation:
Geology Department, Birkbeck College, London, W.C.1.
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Abstract

Growth of the glabella of the trilobite Dalmanitina olini is studied by plotting various dimensions y against the length of the glabellar stalk x which is taken to represent absolute size. The relations are fitted best by linear equations y = a(x + b/a), and for several dimensions the value of b/a appears to be constant. The concepts of absolute and specific growth-rates are discussed in relation to the glabella of D. olini.

Type
Articles
Information
Geological Magazine , Volume 94 , Issue 6 , December 1957 , pp. 491 - 497
Copyright
Copyright © Cambridge University Press 1957

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References

REFERENCES

Kermack, K. A., and Haldane, J. B. S., 1950. Organic correlation and allometry. Biometrika, xxxvii, 30–41.CrossRefGoogle ScholarPubMed
Shaw, A. B., 1956. Quantitative trilobite studies I. The statistical description of trilobites. Journ. Paleont., xxx, 1209–1224.Google Scholar
Temple, J. T., 1952. The Ontogeny of the Trilobite Dalmanitina olini. Geol. Mag., lxxxix, 251–262.CrossRefGoogle Scholar
Temple, J. T. 1956. Notes on the Cheiruracea and Phacopacea. Geol. Mag. xciii, 418–430.CrossRefGoogle Scholar