
Those Perfectly Clipped Lucines
Last June, my colleague malacologist Paula Mikkelsen sent an email inquiring about Tiger Lucines (Codakia orbicularis) found by a friend in the Bahamas. The shells were complete (two paired, attached valves), but in each case one of the valves was trimmed following a commarginal (“concentric”) pattern. The clams obviously grew a complete shell, but one of the valves was cut later to about half of its original diameter.Last week I received a similar inquiry from conchologist and friend Bev Doleza