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Figure 7 | BMC Evolutionary Biology

Figure 7

From: Phylogeography of the land snail genus Orcula(Orculidae, Stylommatophora) with emphasis on the Eastern Alpine taxa: speciation, hybridization and morphological variation

Figure 7

Morphometric landmark plots. (A) Linear discriminant analysis (LDA) with morphometric landmark data of all Orcula species endemic to the Alps. (B) Linear discriminant analysis with morphometric landmark data of the closely related Orcula species O. austriaca (including the subspecies O. a. pseudofuchsi and O. a. faueri), O. gularis, O. pseudodolium and O. tolminensis. Each symbol in the plot represents the consensus shape of conspecifics from the same locality. (C) Mean shapes calculated with all individuals of each taxon. The plots are corrected for size and therefore only reflect differences in the shell shape. The symbols represent the landmark points, set on the pictures of the shells photographed in frontal position. (D) Position of the morphometric landmarks on the projection of a shell in frontal position.

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