Subfamily Caecinae Gray 1850 (snail)
Gastropoda - Sorbeoconcha - Caecidae
Parent taxon: Caecidae according to P. Bouchet et al. 2005
See also Marquet 1997
Sister taxa: Bambusum, Caecum, Ctiloceras, Ctiloceratinae, Elephantanellum, Elephantulum, Fartulum, Meioceras, Micranellium, Micranellum, Ponderoceras, Strebloceras, Strebloceratinae
Subtaxa: Watsonia
Ecology: epifaunal grazer
Distribution: found only at Grignon (RSNB collection) (Eocene of France)