Temnopleuridea

Temnopleuridea is an infraorder of sea urchins in the order Camarodonta. They are distinguished from other sea urchins by the presence of large fused plates on top of the feeding lantern. The test is usually sculpted to some degree, and has perforated tubercles.

Taxonomy
According to World Register of Marine Species:
 * Family Glyphocyphidae Duncan, 1889 †
 * Family Temnopleuridae A. Agassiz, 1872
 * Family Trigonocidaridae Mortensen, 1903b
 * Family Zeuglopleuridae Lewis, 1986 †