xvi CLASSIFICATION 
PAGE 
Superfamily MYACEA 
Family MYACIDAE: «5.02. 5..c03-42..0% 3b 
Family CORBULIDAE...>. 2. e..2-28-5-.8 31 
Family SAXICAVIDAE.................. 31 
Family GASTROCHAENIDAE.......... 31 
Superfamily ADESMACEA 
Family PHOLADIDAE.................. 31 
Family TEREDINIDAE.................. 32 
Order ANOMALODESMACEA 
Superfamily ANATINACEA 
Family LYONSHDAE: 0225... 240207). 35 oe 
Family ANATINIDAE. ..........6....225-% 32 
