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Title: The Growth of Arachnoides placenta (L.) (Echinoidea) 
Author: Hines, Judith; Kenny, Ron
Date: 1967-04
Publisher: University of Hawai'i Press
Citation: Hines J, Kenny R. 1967. The growth of Arachnoides placenta (L.) (Echinoidea). Pac Sci 21(2): 230-235.
Abstract: Arachnoides placenta (L.) increases in diameter 7 mm during the
first year, 4 mm during the second year, and 4 mm in the third year after metamorphosis.
The relationship between diameter and weight of the test is approximately of
cubic form.
The spawning period in north Queensland probably is June to July, and the
time of metamorphosis probably September.
The growth characteristics are compared with other echinoid species.
ISSN: 0030-8870

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