Figure 12 in Taxonomic revision of the Onchidiidae (Mollusca: Gastropoda: Pulmonata) from the Tropical Eastern Pacific

Figure 12. Radular teeth of Onchidella borealis: (A) entire radula, CASIZ 021510 #1, British Columbia; (B) rachidian and right innermost lateral teeth, CASIZ 021519 #2, California; (C) lateral teeth, CASIZ 021510 #1, British Columbia; (D) rachidian and innermost lateral teeth, CASIZ 021510 #1, British Columbia, arrow indicates small pointed cusp on outer, lateral expansion of base of rachidian tooth. Scale bars: A, 1 mm; B, 25 µm; C, 10 µm; D, 10 µm.