Figure 4 in The introduced terrestrial slugs Ambigolimax nyctelius (Bourguignatı 1861) and Ambigolimax valentianus (Férussacı 1821) (Gastropoda: Limacidae) in Californiaı with a discussion of taxonomyı systematicsı and discovery by citizen science

Figure 4. Radulae of A. nyctelius (a–c) and A. valentianus (d–f) from sites within Los Angeles County, California. (a) central and lateral teeth, iNat 4936343, LACM 180540; (b) central and lateral and (c) marginal teeth, iNat 4936336, LACM 180543; (d) marginal and (e) central and lateral teeth, iNat 4936346, LACM 180538; (f) central and lateral teeth, iNat 4936341, LACM 180536. An asterisk (*) indicates the vertical row of central teeth. Images by Emily Burnett.