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Figure 4 | BMC Evolutionary Biology

Figure 4

From: A species delimitation approach in the Trochulus sericeus/hispiduscomplex reveals two cryptic species within a sharp contact zone

Figure 4

Discriminant analyses of shell morphometric data. A: Schematic representation of the 14 measurements taken on the shell from above, below and the front. Details on the measures are given in the text. Dotted lines represent orientation axes. B: Frequency plot of canonical scores on canonical root of discriminant analyses on morphometric variables grouped according to nuclear cluster membership (>90%). N = 171. Variables retained in the model: HFW (standardised coefficient = 0.79), HSP (0.71), DOM (0.69) and AES (0.67). Grouping resulted in 77.2% correct classifications. C: Grouped according to mitochondrial haplotype. N = 178. Variables retained in the model: HFW (0.86), HSP (0,83) and AES (0.80). Grouping resulted in 68.0% correct classifications.

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