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Taxon:
Superorder
Atelostomata
von Zittel, 1879
- irregular urchins
(echinoderm)
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Entity:
Euechinoidea (Subclass)
..Diadematacea (Superorder)
..Echinacea (Superorder)
..Gnathostomata (Superorder)
..Atelostomata (Superorder) - irregular urchins
....Cassiduloida (Order)
....†Nucleolitoida (Order)
....Pourtalesioida (Order)
....Spatangoida (Order)
Vernacular Names (English)
Full name
:
irregular urchins
Ref:
R.C. Brusca & G.J. Brusca, 1990
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026