1: amphora-area enclosed by scar of pedal-retractor muscle is blackish/pitch-brown; probably colour of exterior shell-layer showing through especially thin/translucent inner layers of this specimen.
2: because of thin interior shell-layers, brown rays of exterior shell-layer are visible across whole shell, merging in the amphora area.
3: narrow, radiating, whitish ribs tend to be arranged in triplets; one major flanked by a minor each side.
4: shell-height 27% of length.

OTHER SPECIES ALBUMS
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