Crassatelloidea
Crassatelloidea is a superfamily of bivalves in the order Carditida. In the World [Register of Marine Species], Astartoidea is considered a junior synonym of Crassatelloidea, whereas in ITIS Astartoidea is a separate family containing Astartidae and Cardiniidae – Cardiniidae itself being classified instead in Carditoidea by WoRMS.
List of families
According to ITIS:According to the World Register of Marine Species: