Phylum [Vertebrata] (Lamarck, 1801) Count: - Class Reptilia Linnaeus, 1758 - reptiles Count: 4o6f1g; †20o115f227g Subclass †uncertain Count: [*] †2o7f11g Order †Plesiosauria Blainville, 1835 - plesiosaurs Count: - Family †Pliosauridae Seeley, 1874 Count: - Genus †Kronosaurus Longman, 1924 Count: - Genus †Liopleurodon Sauvage, 1873 Count: - Genus †Macroplata Swinton, 1930 Count: - Genus †Peloneustes Lydekker, 1889 Count: -