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The eggs and sperm of this animal have been used to study the process of fertilization and development. Eggs of this and other echinoderms are relatively large, clear, and abundant and these characteristics make them ideal for study. The length of this species is 10-12cm. and a thickness of 2-3 cm.


Gosner, K.L., A Field Guide to the Atlantic Seashore, 1979, Houghton Mifflin Company

Barnes, R.D., Invertebrate Zoology, 1980, Saunders College and Holt, Rinehart and Winston.


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Recorded names

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P.A. Shave
Collected April 1966
 
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