helicoplacoid

H4E1L1I1C3O1P3L1A1C3O1I1D2

noun

Any extinct echinoderm of the class Helicoplacoidea

Scrabble 23
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Meanings

nounhelicoplacoid (plural helicoplacoids)

plural helicoplacoids

  1. Any extinct echinoderm of the class Helicoplacoidea
Cite this entry
APA

helicoplacoid. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/helicoplacoid

MLA

“helicoplacoid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/helicoplacoid. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “helicoplacoid,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/helicoplacoid.

Source: helicoplacoid on Wiktionary, CC BY-SA 4.0.