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Comparison of Larval and Adult Stages of Chthamalus dalli and Chthamalus fissus (Cirripedia: Thoracica)

Kristina M. Miller, Sally M. Blower, Dennis Hedgecock and Jonathan Roughgarden
Journal of Crustacean Biology
Vol. 9, No. 2 (May, 1989), pp. 242-256
Published by: Brill on behalf of The Crustacean Society
DOI: 10.2307/1548504
Stable URL: http://www.jstor.org/stable/1548504
Page Count: 15
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Comparison of Larval and Adult Stages of Chthamalus dalli and Chthamalus fissus (Cirripedia: Thoracica)
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Abstract

Adult and larval forms of Chthamalus dalli and Chthamalus fissus are compared and distinguishing characteristics described. Adult forms of these species differ in malate dehydrogenase enzyme allozymes, in the setae of the second cirrus, and in shell characteristics. Larval forms are morphologically identical, although larvae cultured from adults collected at Monterey Bay differ in size at naupliar stages I-III and at the cyprid stage.

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