Order Ctenobranchiata Schweigger 1820 (snail)
Parent taxon: Streptoneura according to R. Rivera 1957
See also Grant, IV and Gale 1931, Martin 1904 and Olsson 1931
Sister taxa: Archaeogastropoda, Stylomatophora
Subtaxa: Orthodonta Rachigdossa Rhachiglossa Streptodonta Taenioglossa
Ecology: epifaunal