Stratigraphic time - taxa
genus Abrictosaurus Hopson, 1975 (Lower Jurassic)
species Abrictosaurus consors (Thulborn, 1974) (Lower Jurassic)
genus Acanthothiris d'Orbigny, 1849 (Jurassic)
genus Acanthothyropsis Kamyshan, 1973 (Jurassic)
infraorder Achelata Scholtz & Richter, 1995 (Lower Triassic - recent)
genus Acritorhyphus Bode, 1953 (Lower Jurassic)
superorder Actinistia (Middle Devonian - recent)
class Actinopterygii Klein, 1885 - ray-finned fishes (Upper Silurian - recent)
suborder Adephaga Schellenberg, 1806 (Hettangian - recent)
species Aeger brevirostris Van Straelen, 1923 (Jurassic)
order Amiiformes Hay, 1929 - bowfins (Lower Triassic - recent)
kingdom Amoebozoa Lühe, 1913 emend. Cavalier-Smith, 1998 (Neoproterozoic - recent)
genus Anagyrinus Handlirsch, 1906 (Hettangian)
species Anagyrinus atavus (Heer, 1865) (Hettangian)
suborder Anisoneura Lioy, 1864 (Upper Triassic - recent)
infraorder Anisopodomorpha Tuomikoski, 1961 (Upper Triassic - recent)
infraclass Apoda Oppel, 1810 (Lower Jurassic - recent)
species Archijassus minutus (Heer, 1865) (Hettangian)
species Archijassus morio (Heer, 1865) (Hettangian)
superorder Archosauria (Lopingian - recent)
cohors Archosauromorpha Huene, 1946 (Lopingian - recent)
suborder Archostemata Kolbe, 1908 (Upper Triassic - recent)
species Arietites bucklandi (Sowerby, 1816) (Jurassic)
phylum Arthropoda Gravenhorst, 1843 - arthropods (Cambrian - recent)
infraorder Astacidea Latreille, 1802 (Lower Jurassic - recent)
class Asteroidea De Blainville, 1830 (Lower Ordovician - recent)
suborder Auchenorrhyncha Duméril, 1806 - cicadas and leafhoppers (Artinskian - recent)
phylum Brachiopoda Duméril, 1806 - lamp shells (Cambrian - recent)
genus Caenoephemera Lin & Huang, 2001 (Mesozoic)
species Camptosaurus dispar (Marsh, 1879) (Lower Jurassic)
family Campylognathoididae Kuhn, 1967 (Lower Jurassic)
class Cephalopoda Cuvier, 1795 - cephalopods (Middle Cambrian - recent)
phylum Chaetognatha Leuckart, 1854 - arrow worms (Cambrian - recent)
order Chimaeriformes Patterson, 1965 - chimaeras (Lower Jurassic - recent)
suborder Chimaeroidei (Lower Jurassic - recent)
phylum Choanozoa Cavalier-Smith, 1981 emend. 1983 (Neoproterozoic - recent)
class Chondrichthyes Huxley, 1880 - cartilaginous fishes (Upper Silurian - recent)
superorder Chondrostei Müller, 1844 (Silurian - recent)
superfamily Cicadoidea Latreille, 1802 (Carnian - recent)
infraorder Cicadomorpha Martynov, 1926 (Anisian - recent)
genus Cicadoprosbole Becker-Migdisova, 1947 (Hettangian)
species Cicadoprosbole sogutensis Becker-Migdisova, 1947 (Hettangian)
tribus Cicadoprosbolini Evans, 1956 (Hettangian)
order Cidaroida Claus, 1880 (Cisuralian - recent)
species Cirpa planifrons (Ormos, 1937) (Hettangian)
order Coelacanthiformes Berg, 1937 - coelacanth (Carboniferous - recent)
subclass Coelacanthimorpha (Lower Devonian - recent)
order Coleoptera Linnaeus, 1758 - beetles (Cisuralian - recent)
superorder Coleopteroidea Handlirsch, 1903 (Carboniferous - recent)
species Conites bucklandi Sternberg (Jurassic)
subphylum Craniiformea (Ordovician - recent)
class Crinoidea Miller, 1821 (Tremadocian - recent)
order Crocodilia Owen, 1842 (Middle Triassic - recent)
infraorder Cucujiformia Latreille, 1802 (Jurassic - recent)
family Cupedidae Laporte de Castelnau, 1836 - reticulated beetles (Upper Triassic - recent)
superfamily Cupedoidea Laporte de Castelnau, 1836 (Sakmarian - recent)
family Cupressaceae Bartl. (Jurassic - recent)
divisio Cycadophyta Bessey (Lopingian - recent)
class Cycadopsida Brong - cycads (Pennsylvanian - recent)
superfamily Cypridoidea Baird, 1845 (Silurian - recent)
infraclass Diapsida Osborn, 1903 (Pennsylvanian - recent)
suborder Diarchineura Krzemiñski, 1992 (Anisian - recent)
species Dibothrosuchus elaphros Simmons, 1965 (Lower Jurassic)