Cryptosyringida

Translingual

Etymology

The cryptosyringids owe their name to the fact that their radial water vascular system and radial nerve become covered during development, a trait that was viewed as a synapomorphy of the group (1).

1. Smith, A. B. 1984 Classification of the Echinodermata. Palaeontology 27, 431–459.

Proper noun

Cryptosyringida

A taxonomic superclass within the subphylum Eleutherozoa – the sea urchins and similar organisms.

Hyponyms

(superclass): Echinoidea, Holothuroidea, Ophiuroidea - classes

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