Figure 1 in The tail tells the tale: taxonomy and biogeography of some Atlantic Chelidonura (Gastropoda: Cephalaspidea: Aglajidae) inferred from nuclear and mitochondrial gene data

Figure 1. External morphology of some specimens of Chelidonura showing the range of colour variation. Specimens are grouped according to the authors' interpretation of species boundary hypotheses proposed in the literature. A–G, specimens similar to the original description of Chelidonura berolina Er. Marcus & Ev. Marcus, 1970: A, original drawing of C. berolina (from Marcus & Marcus, 1970); B, specimen from Bahamas (LACM 176429); C, specimen from Bahamas (LACM 3127); D, specimens from Bahamas (LACM 176427); E, specimen from Bahamas (LACM 3127); F, specimen from Yucatan, Mexico; G. specimen from Bahamas (LACM 176425). H–M, specimens similar to the original description of Aglaja hummelincki Er. Marcus & Ev. Marcus, 1970: H, specimen from Bahamas (LACM 3127); I, specimen from Bahamas (LACM 176427); J, specimen from Bahamas (LACM 176425); K, specimen from Bahamas (LACM 176426); L, specimen from Bahamas (LACM 176425); M, original drawing of A. hummelincki (from Marcus & Marcus, 1970). N–P, specimens similar to the original description of Chelidonura juancarlosi Ortea & Espinosa 1998: N, original drawing of C. juancarlosi (from Ortea & Espinosa, 1998); O, specimen from Bermuda (LACM 176434); P, specimen from Bahamas (LACM 173215). Q–S, specimens similar to the original description of Chelidonura mariagordae Ortea et al. 2004: Q, specimen from Bahamas (LACM 176435); R, original photograph of C. mariagordae (from Ortea et al., 2004); S, specimen from Bahamas (LACM 3128).