1. 
   Siphonariidae
   Siphonariidae is a taxonomic family of small to medium-sized air-breathing sea snails, marine and brackish water pulmonate gastropod molluscs. These snails are sometimes known as "false limpets" because of the shape of the shell, but they are not at all closely related to true limpets. They breathe...
   Found op http://en.wikipedia.org/wiki/Siphonariidae
   
   
2. 
   Siphonariidae
   (from the article `gastropod`) ...and suborders, are listed in order of increasing specialization.)Superfamily PatelliformiaBrackish water or marine limpets with (Siphonariidae) ...
   Found op http://www.britannica.com/eb/a-z/s/101
   
   

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