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names in breadcrumbs
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names in breadcrumbs
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Creatures
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Animal
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Echinoderms
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Sea Urchins
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Heart Urchins
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Creatures
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Cellular Organisms
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Eukaryotes
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Opisthokonts
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Animal
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Bilateria
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Deuterostomes
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Echinoderms
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Echinozoa
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Sea Urchins
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Euechinoidea
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Irregularia
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Atelostomata
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Spatangoida
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Brissidina
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Heart Urchins
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Brissopsinae
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Brissopsis
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Heart Urchin
Brissopsis lyrifera (Forbes 1841)
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body length
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World Register of Marine Species
literature body sizes metazoa
body length
World Register of Marine Species
4 cm
(min)
World Register of Marine Species
42 mm
World Register of Marine Species
70 mm
(max)
World Register of Marine Species
7 cm
(max)
World Register of Marine Species
44 mm
literature body sizes metazoa
57 mm
(adult, max)
literature body sizes metazoa
10 mm
(adult, min)