Euechinoidea


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Euechinoidea

[yü‚ek·ə′nȯid·ē·ə]
(invertebrate zoology)
A subclass of echinoderms in the class Echinoidea; distinguished by the relative stability of ambulacra and interambulacra.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Euechinoidea and Cidaroidea respond differently to ocean acidification.
Class ECHINODERMATA Subclass Euechinoidea Superorder Gnathostomata Order Clypeasteroida Suborder Clypeasterina Family Clypeasteridae Genus Clypeaster LAMARCK, 1801 Clypeaster aff.
Aputeal development of the sea urchin Holo-pneustes purpurescens Agassiz (Echinodermata: Echinoidea: Euechinoidea).
Apluteal development of the sea urchin Holopneuvtes purpurescens Agassiz (Echinodermata: Echinoidea: Euechinoidea).
Apluteal development of the sea urchin Holopneustes purpurescens Agassiz (Echinodermata: Echinoidea: Euechinoidea).
It was separated from the Euechinoidea approximately 250 mya.
jacobyi, document unexpected morphological traits in the late-stage larvae, and discuss how these unexpected traits could help justify a realignment of the currently accepted ordinal-level taxonomy of the Euechinoidea.