Full reference: M. F. Symonds. 2002. The Neritidae of the Barton Group (Middle Eocene) of the Hampshire Basin. Tertiary Research 21(1-4):1-10
Type specimen: BMNH GG22554, a shell
Ecology: epifaunal omnivore-grazer
Distribution: there are no occurrences of Theodoxus (Pictoneritina) waltoni in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.