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Species description. Designate a Holotype Diagnose the species Describe the Holotype and variation among paratypes Other data illustrations, range map, ecology, phylogeny. Echinoderm: sea stars sea urchins. Xenoturbellid: marine worm. Hemichordate: acorn worm. Cephalochordate:
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Species description • Designate a Holotype • Diagnose the species • Describe the Holotype and variation among paratypes • Other data • illustrations, range map, ecology, phylogeny
Echinoderm: sea stars sea urchins Xenoturbellid: marine worm Hemichordate: acorn worm
Cephalochordate: amphioxus
Cyclostomata: Petromyzontida: lamprey