Tectipleura is a subterclass of land and water-dwelling gastropods.
[1] The group consists of over 27,000 various species, among which are various groups of snails, slugs, and sea hares living across various diverse habitats around the world.
[2] It unites the Euopisthobranchia and Panpulmonata.
Tectipleura have existed for over 200 million years.
[3]