clypeasteroid
Noun
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Noun
clypeasteroid (plural clypeasteroids)
- Any echinoderm of the order Clypeasteroida of sand dollars.
- 2009, Andrew B. Smith, Sea urchins (Echinoidea), S. Blair Hedges, Sudhir Kumar (editors), The Timetree of Life, page 302 ↗,
- Their traditional taxonomy, based on skeletal characters, has been largely corroborated by recent molecular phylogenetic analyses with one marked exception: clypeasteroids are not found to be monophyletic.
- 2009, Andrew B. Smith, Sea urchins (Echinoidea), S. Blair Hedges, Sudhir Kumar (editors), The Timetree of Life, page 302 ↗,
- (any species of Clypeasteroida) pansy shell, sand dollar, sea cookie, snapper biscuit
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003