Kingdom Animalia Linnaeus, 1758 - animals Phylum Cnidaria Hatschek, 1888 - cnidarians Class Hydrozoa Owen, 1843 ?Order Chondrophora Gray, 1849 - chondrophorans see Suborder Capitata Kühn, 1913 () sensu stricto Genus Porpita Lamarck, 1801 Genus Velella Lamarck, 1801