Members of this family are shaped rather like bonnets or helmets
has the ability to inflate its body by taking water or air into portions of its digestive tract
Now they are found alive in the southwestern Pacific
Diet: The mouth of the Knobby Star is located on its underside
These tentacles are usually extended during the day
Left-handed Whelk 11-12" pipe Members of this family areThe 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