CLASSIFICATION 
Order TELEODESMACEA 
Superfamily CYRENACEA 
Family CYRENIDAE.................... 
Family SPHAERIIDAE........... 
Superfamily CARDITACEA 
Family CARDITIDAE.................. 
Family CRASSATELLIDAE............. 
Superfamily CHAMACEA 
Family CHAMIDAE..............2.5.00% 
Superfamily LUCINACEA 
Family THYASIRIDAE........... 
Family DIPLODONTIDAE....... 
Family LUCINIDAE.............. 
Family LEPTONIDAE............ 
Family KELLIELLIDAE.......... 
Superfamily CARDIACEA 
Family CARDIIDAE.............. 
Superfamily VENERACEA 
Family VENERIDAE............. 
Family PETRICOLIDAE......:...:..... 
Superfamily TELLINACEA 
Family TELLINIDAE............. 
Family SEMELIDAE.................... 
Family PSAMMOBIIDAE............... 
Family DONACIDAE............. 
Superfamily SOLENACEA 
Family SOLENIDAE................%0- 
Superfamily MACTRACEA 
Family MACTRIDAE............. 
Family MESODESMATIDAE 
XV 
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25 
A eae 25 
. 26 
26 
26 
ee 26 
aS 26 
“hs ued 26 
Soe 27 
Ser 27 
SoMa 27 
30 
