Fulgoraria humerosa,
Fulgoraria rupestris, and
Fulgoraria ericarum?
哈密渦螺與閃電渦螺很難很分辨,我猜這顆是閃電,可參考
http://www.gastropods.com/Taxon_pages/TN_Family_VOLUTIDAE_FULGORARINAE.html
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