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Whelk Mollusks - Animals Resource Directory

• Knobbed Whelk
  
  Printout and facts about this gastropod, a softbodied invertebrate that is protected by a spiral shell. The Knobbed Whelk Busycon carica is a gastropod, a softbodied invertebrate animal without a backbone that is protected by a very hard shell. This ...
  http://www.enchantedlearning.com/subjects/invertebrates/mollusk/gastropod/K...