Halitrephes maasi Bigelow, 1909 Dataset NCBI Taxonomy Classification kingdom Metazoa phylum Cnidaria class Hydrozoa order Trachymedusae family Halicreatidae genus Halitrephes species Halitrephes maasi Name Homonyms Halitrephes maasi Halitrephes maasi Bigelow, 1909