Natura - nature Mundus - physical world;material world Naturalia Biota Domain Eukaryota - eukaryotes Kingdom Animalia - animals Subkingdom Bilateria - bilaterians;triploblastic animals Branch Deuterostomia - deuterostomes Infrakingdom Chordonia Phylum Chordata - chordates Subphylum Vertebrata - vertebrates Infraphylum Gnathostomata - jawed vertebrates 2.2.2.1 Superclass Tetrapoda Goodrich, 1930 - tetrapods H|N|P|R|B|L; Ref:M.J. Benton, 2005 (implicit position); Count:[c†c]3c;64o;458f;4777g;28,819s;6447ss;3v; ‡3o;15f;110g;374s;64ss; †1c;74o;651f;5249g;1508s;93ss 1.1 Genus †Ventastega H|N|P|R|B|L; Ref:M.J. Benton, 2005:80 (implicit position) 1.2 Genus †Metaxygnathus H|N|P|R|B|L; Ref:M.J. Benton, 2005:80 (implicit position) 2.1 Family †Acanthostegidae H|N|P|R|B|L; Ref:M.J. Benton, 2005:393; Count:†1g 2.2.1 Family †Ichthyostegidae H|N|P|R|B|L; Ref:M.J. Benton, 2005:393; Count:†1g;1s 2.2.2.1 Family †Tulerpetontidae H|N|P|R|B|L; Ref:M.J. Benton, 2005:393; Count:†1g 2.2.2.2.1 Family †Colosteidae - colosteids H|N|P|R|B|L; Ref:M.J. Benton, 2005:393; Count:†2g;2s 2.2.2.2.2.1 Family †Crassigyrinidae H|N|P|R|B|L; Ref:M.J. Benton, 2005:393; Count:†1g 2.2.2.2.2.2.1 Family †Whatcheeriidae H|N|P|R|B|L; Ref:M.J. Benton, 2005:393; Count:†2g;1s 2.2.2.2.2.2.2.1.1 Family †Spathicephalidae H|N|P|R|B|L; Ref:E.H. Beaumont & T.R. Smithson, 1998 (indirect position); Count:†1g;2s 2.2.2.2.2.2.2.1.2 Family †Baphetidae Cope, 1875 H|N|P|R|B|L; Ref:M.J. Benton, 2005:393; Count:†4g;10s 2.2.2.2.2.2.2.2.1 Class Amphibia C. Linnaeus, 1758 - amphibians H|N|P|R|B|L; Ref:L. Margulis & K.V. Schwartz, 1982:239; Count:[s]3o;57f;500g;6108s;77ss; ‡4s; †2o;32f;33g;18s 2.2.2.2.2.2.2.2.2.1 Superorder †Lepospondyli H|N|P|R|B|L; Ref:M.J. Benton, 2005:394 (implicit position); Count:[†o]†3o;7f;15g;1s 2.2.2.2.2.2.2.2.2.2 Superorder Reptiliomorpha H|N|P|R|B|L; Ref:M.J. Benton, 2005:394 (implicit position); Count:†3o;7f;10g;2s 2.2.2.2.2.2.2.2.2.2.1 Series Amniota H|N|P|R|B|L; Ref:M.J. Benton, 2005:394 (implicit position); Count:[c†c]2c;61o;401f;4277g;22,711s;6370ss;3v; ‡3o;15f;110g;370s;64ss; †1c;66o;597f;5176g;1471s;93ss
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