Macro- and microstructure of shell and operculum in two Recent gastropod species, Nerita (Theliostyla) albicilla and Cinnalepeta pulchella (Neritopsina: Neritoidea)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith