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).

Proper noun

Cryptosyringida

1. A taxonomic superclass within the phylum Echinodermata – sea urchins and similar organisms.

Hyponyms

• (superclass): Echinoidea, Holothuroidea, Ophiuroidea - classes

References

• Eleutherozoa on Wikipedia.Wikipedia
• Cryptosyringida on Wikispecies.Wikispecies
• Category:Echinodermata on Wikimedia Commons.Wikimedia Commons

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