Figure 3 from: Renan I, Assmann T, Freidberg A (2018) Taxonomic revision of the Graphipterus serrator (Forskål) group (Coleoptera, Carabidae): an increase from five to 15 valid species. ZooKeys 753: 23-82. https://doi.org/10.3897/zookeys.753.22366

Figure 3 Mentum morphs of the Graphipterus serrator group: a No teeth (G. barthelemyi) b Two teeth with concavity between them (G. heydeni) c Two teeth as margin between them slightly convex in middle. (G. valdanii) d Three teeth (G. peletieri) e Two pronounced teeth (G. minutus minutus) f Three teeth, mid tooth very shallow (G. serrator).