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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Sexual selection on land snail shell ornamentation: a hypothesis that may explain shell diversity

Figure 1

Diversity of shell ornamentation in the genus Albinaria (Clausiliidae) from Greece. Top row, from left to right: A. rebeli, A. teres, A. drakakisi. Middle row, from left to right: A. praeclara, A. moreletiana. Bottom row, from left to right: A. eburnea, A. coerulea, A. spratti. Most diversity is present in the ornamentation of the cervix (the dorsal part of the last whorl), which is also the place most in contact with the partner's foot before and during copulation (see figure 3). All photos were taken by A. 't Hooft, Leiden.

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