Animalia > Echinodermata > Echinoidea > Camarodonta > Echinometridae > Echinometra Echinometra (Black boring sea urchin)Synonyms: Ellipsechinus; Mortensenia
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Animalia > Echinodermata > Echinoidea > Camarodonta > Echinometridae > Echinometra Echinometra (Black boring sea urchin)Synonyms: Ellipsechinus; Mortensenia
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