Definition of Zoantharia in US English:

Zoantharia

Zoology
  • A group of coelenterates with polyps that bear more than eight tentacles, including the sea anemones and stony corals.

    Subclass Zoantharia, class Anthozoa

    • ‘Sometimes the subclass Zoantharia is used instead, in which case hexacorals are included with Rugose corals and Horny Corals (Cerantipitharia).’
    • ‘The main anthozoan subclass, which includes the corals, is the Zoantharia.’
    • ‘The Zoantharia includes the ‘true’ corals and most sea anemones, and it is by far the best represented in the fossil record.’
    • ‘The four major gene lineages of Zoantharia proteins identified previously, clades A, B, C, and D, were also observed in the new analysis.’

Origin

Modern Latin (plural), from Greek zōion ‘animal’ + anthos ‘flower’.

Pronunciation

Zoantharia

/ˌzōənˈTHerēə/