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1. Echinoidea
Table of Contents
1. Echinoidea
Synonyms
1. Echinoidea
noun.
sea
urchins
and
sand
dollars.
Synonyms
order Exocycloida
class Echinoidea
sea urchin
class
Exocycloida
phylum Echinodermata
Echinodermata
Spatangoida
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