Cryptosyringida
Translingual
Wikispecies
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