Left-handed Whelk 8-9" mushroom It is distinguished by the

It is distinguished by the presence of large leaf-like fluted edges on its shell called 'scutes' which are often used as shelter by organisms such as small crabs

These sponges lack or have a reduced aquiferous system

The Fluted Giant Clam

or Cypraecassis rufa

Left-handed Whelk 8-9" mushroom It is distinguished by theThe 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 right with shell spire pointing up). Abnormally right handed Lightning Whelks are very uncommon, but