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Science 29 April 1966:
Vol. 152. no. 3722, pp. 660 - 662
DOI: 10.1126/science.152.3722.660
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Articles

A Permian Productoid Brachiopod: Life History

Richard E. Grant 1

1 U.S. Geological Survey, Washington, D.C.

Spine arrangements on silicified specimens of Waagenoconcha abichi (Waagen) from the Khisor Range of West Pakistan suggest that the juvenile shell attached itself to a foreign object, and that the adult shell lay on its ventral valve in the substrate, anchored and stabilized by a dense corona of long slender spines around the ventral visceral disc.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)