Stirodonta

Stirodonta

[‚stir·ə′dän·tə]
(invertebrate zoology)
Formerly, an order of Euechinoidea that included forms with stirodont dentition.
References in periodicals archive ?
variolaris is the only living species in the family Stomopneustidae, order Phymosomatoida, within the superorder Stirodonta along with arbacioid and salenioid echinoids (e.
Stomopneustes variolaris has long been placed in the superorder Stirodonta because of the structure of its Aristotle's lantern: keeled teeth, small epiphyses, and an open foramen magnum over each tooth (Jackson, 1912).
Part 2, Echinothurioida, Diadematoida and Stirodonta (1, Calycina).