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Echinoderms
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Sea Urchins
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Life
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Opisthokonts
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Cidaroidea
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Cidaroida
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Histocidaroidea Lambert 1900
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Histocidaris variabilis NOAA
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WoRMS Editorial Board
World Register of Marine Species
Histocidaris variabilis observed in deep waters off to Hawaii by NOAA Okeanos Explorer mission (
Hohonu Moana Okeanos Explorer Expedition
). Note that the white "galls" on the spines are symbiotic barnacles.
Tylocidaris ohshimai MNHN
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WoRMS Editorial Board
World Register of Marine Species
Preserved specimen of Tylocidaris ohshimai from MNHN, probably found around Philippines.