Colwellia Nuttall & J. Cooper, 1973 Dataset Catalogue of Life Checklist Rank GENUS Classification kingdom Animalia phylum Mollusca class Gastropoda order Neogastropoda family Nassariidae genus Keepingia Name Homonyms Colwellia Nuttall & J. Cooper, 1973 Colwellia Deming et al., 1988