The Lightning Whelk, Part 1
The Lightning Whelk, Sinistrofulgur sinistrum (Hollister, 1958), is one of the local molluscan celebrities, not only because of its large size, but also thanks to very special features that make this species truly remarkable. For instance, unlike most gastropods, which are right-handed, the Lightning Whelk has a left-handed shell (shell opening to the left with shell spire pointing “up”). Abnormally right-handed Lightning Whelks are very uncommon, but may be found on rare occ