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†Helicocystis Smith & Zamora 2013
urn:lsid:organismnames.com:name:5111403
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6
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†Helicocystis Smith & Zamora 2013
Smith & Zamora 2013. Cambrian spiral-plated echinoderms from Gondwana reveal the earliest pentaradial body plan. Proceedings of the Royal Society Biological Sciences Series B, 280(1765), Aug 22 2013: 1-6