Clithon (Pictoneritina) Iredale 1936 (snail)
Gastropoda - Neritoidea - Neritidae
Alternative spelling: Theodoxus (Pictoneritina)
Parent taxon: Clithon according to M. F. Symonds and J. -M. Pacaud 2010
See also Symonds 2002 and Wilson 1993
Sister taxa: Clithon (Clithon), Clithon (Vittoclithon), Clithon oualaniensis
Subtaxa: Clithon (Pictoneritina) barbei Theodoxus (Pictoneritina) oualaniensis Theodoxus (Pictoneritina) passyanus Theodoxus (Pictoneritina) waltoni
Type: Neritina oualaniensis
Ecology: epifaunal omnivore-grazer
Distribution:
• Quaternary of Japan (1 collection)
• Eocene of Bulgaria (2), France (2)
• Paleocene of the United Kingdom (2)
Total: 7 collections each including a single occurrence