Cardium  search
BTInvertebrata
 .Mollusca
 ..Bivalvia
 ...Cardiidae
 ....Cardium
NTCardium edule
SNGenus.
Cardium edule  search
BTInvertebrata
 .Mollusca
 ..Bivalvia
 ...Cardiidae
 ....Cardium
 .....Cardium edule
Cardium Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Upper Cretaceous
 .....Cardium Formation
RTAlberta
 British Columbia
SNAlso search Cardium Sandstone NOT Texas. For Miocene formation of offshore Texas, search Cardium Sandstone AND Texas. Added to Thesaurus in 1989.