Hi Charlie Hope this helps! Leslie Glenn & Laura Burghardt 11424 Pioneer Ave. Oakdale, California 95361 209-847-5822 [log in to unmask] If anyone has an e-mail address for Glenn and Laura Burghardt would you please send it to me off list. I need to contact them regarding Polyplacophora. Thanks. .....and may all who read this have a happy and prosperous New Year. Regards, Charlie