Figure 3 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 3. Radula of A. valentianus from Los Angeles County, California, LACM 2015-6.3. ct, central tooth; lt, lateral teeth; ec, ectocone, the tooth's outer cusp; en, endocone, the tooth's inner cusp; me, mesocone, the tooth's middle cusp. After Taylor et al. 1907 and Rumi et al. 2017. Image by Emily Burnett.