Left-handed Whelk 7-8" organ The Stylaster genus can be

The Stylaster genus can be encrusting or arborescent

making them one of the largest mollusc species in the world

Belonging to the family Asteriidae

the ivory bush coral builds a skeleton of calcium carbonate – a compound that will become increasingly more rare as the ocean acidifies (a phenomenon caused by the ocean’s absorption of acidic carbon dioxide from the atmosphere)

Left-handed Whelk 7-8" organ The Stylaster genus can beThe 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