clam, cockle, escallop, mussel, oyster, piddock, scallop, scollop.
Your query has returned 1786 words, which include anagrams of lamellibranchs as well as other shorter words that can be made using the letters included in lamellibranchs.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.