 Stromatherium Classified by Paleobiology Database - Encyclopedia of LifeExplore what EOL knows about Stromatherium.Camphoromoea speciosa Engelhardt 1891 Canninginopsis bretonica Marshall 1990 Canninginopsis colliveri Backhouse 1988 Canninginopsis denticulata Cookson and Eisenack 1962 Canninginopsis intermedia Morgan 1980 Cardioangulina elongata 