Definition of Perischoechinoidea. Meaning of Perischoechinoidea. Synonyms of Perischoechinoidea

Here you will find one or more explanations in English for the word Perischoechinoidea. Also in the bottom left of the page several parts of wikipedia pages related to the word Perischoechinoidea and, of course, Perischoechinoidea synonyms and on the right images related to the word Perischoechinoidea.

Definition of Perischoechinoidea

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Meaning of Perischoechinoidea from wikipedia

- Perischoechinoidea is a subclass of primitive sea urchins that were abundant in the Palaeozoic seas. However, the great majority of species died out during...
- order of primitive sea urchins, the only living order of the subclass Perischoechinoidea. All other orders of this subclass, which were even more primitive...
- Subphylum: Echinozoa class: Echinoidea Leske, 1778 Subclasses Subclass Perischoechinoidea Order Cidaroida (pencil urchins) Subclass Euechinoidea Superorder...
- Echinocystitoida were an order of extinct sea urchin in the subclass Perischoechinoidea. Answers.com v t e...