Nodularia subgen. Nodularia Conrad, 1853 Dataset World Register of Marine Species Rank SUBGENUS Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Nodularia Name Homonyms Nodularia Mertens ex Bornet & Flahault, 1886 Nodularia Conrad, 1853 Nodularia subgen. Nodularia Conrad, 1853 Unio subgen. Nodularia Conrad, 1853