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Taxon: Genus †Speirsaenigma Wilson & Williams, 1991 (fish)
Classification by:

Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct. see Subphylum Vertebrata Cuvier, 1812
       Vertebrata (Lamarck, 1801) - vertebrates see Subphylum Vertebrata Cuvier, 1812
         Myopterygii - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Teleostomi Bonaparte, 1836
               Euteleostomi - bony vertebrates
                 Class Actinopterygii Woodward, 1891 - ray-finned fishes
                   Subclass Neopterygii Regan, 1923
                     Division Teleostei Müller, 1845 see Infraclass Teleostei Müller, 1845
                       Elopocephala see Supercohort Teleocephala de Pinna, 1996
                         Clupeocephala
                           Subdivision Euteleostei Greenwood et al., 1966 [monophyletic?] see Cohort Euteleosteomorpha (Greenwood et al., 1966)
                             Superorder Protacanthopterygii Greenwood et al., 1966 see Subcohort Protacanthopterygii Greenwood et al., 1966
                               Order Osmeriformes - freshwater smelts see Suborder Osmeroidei
                                 Superfamily Osmeroidea [monotypic]
                                   Family Osmeridae Regan, 1913 - smelts
                                     Genus †Speirsaenigma Wilson & Williams, 1991
                                       1 Speirsaenigma lindoei

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Last updated: 1 Feb 2024