Regularia
plural noun
Reg·u·lar·ia
Definition of Regularia
(Entry 1 of 2)
in some classifications
: a division of Echinoidea including the ordinary sea urchins that have a more or less globular symmetrical shell with 20 meridional rows of plates and the mouth and anus at opposite poles
Regularia
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Definition of Regularia (Entry 2 of 2)
taxonomic synonym of regulares
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