asterioidea

asterioidea is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A class of Echinodermata including the true starfishes. The rays vary in number and always have ambulacral grooves below. The body is starshaped or pentagonal.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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