Opinions from O. Jaekel 1911

  • 'Acanthaspidi belongs to Pterichthyi'
  • 'Acanthodi belongs to Acanthodi'
  • 'Acanthodii was reranked as the order Acanthodi and belongs to Proostea'
  • 'Acanthopterygii was reranked as a order and belongs to Teleostea'
  • 'Acanthostomi belongs to Hemispondyla'
  • 'Accipitres was reranked as a unranked clade and belongs to Falconiformes'
  • 'Achaenodontidae belongs to Suiformes'
  • 'Acichelyidae belongs to Chelonii'
  • 'Acrania is a subjective synonym of Leptocardia'
  • 'Acrodelphidae belongs to Odontoceti'
  • 'Adianthidae is corrected as Adiantidae and belongs to Litopterni'
  • 'Aetosauria is corrected as Aetosauri and belongs to Loricati'
  • 'Aistopoda was reranked as the order Aistopodi and belongs to Microsauria'
  • 'Alectromorphae belongs to Neornithes'
  • 'Amblypoda was reranked as the suborder Amblypodi and belongs to Ungulati'
  • 'Amii belongs to Crossopterygii'
  • 'Amphibia belongs to Tetrapoda'
  • 'Amphichelydia is corrected as Amphichelydii and belongs to Testudinata'
  • 'Anacanthini belongs to Teleostea'
  • 'Anaspida is corrected as Anaspidi and belongs to Palaeostraci'
  • 'Anomaluridae belongs to Sciurognathi'
  • 'Anomodontia is corrected as Anomodontii and belongs to Paratheria'
  • 'Anoplotheriadae [misspelled as Anoplotheridae] belongs to Ruminantii'
  • 'Anosteirinae [misspelled as Anosternidae] belongs to Cryptodiri'
  • 'Anseriformes was reranked as a suborder and belongs to Pelargomorphae'
  • 'Anthracotheriidae [misspelled as Anthracotheridae] belongs to Suiformes'
  • 'Anthropi belongs to Bimani'
  • 'Antilocapridae belongs to Ruminantii'
  • 'Anuri is corrected as Anura and belongs to Amphibia'
  • 'Apodes belongs to Teleostea'
  • 'Apternodontidae [misspelled as Apternsdontidae] belongs to Lipotyphla'
  • 'Archaeoceti belongs to Cetacei'
  • 'Archaeopteryx belongs to Archornithes'
  • 'Archaeopteryx lithographica belongs to Archaeopteryx'
  • 'Archaeopteryx siemensi is a subjective synonym of Archaeopteryx lithographica'
  • 'Archaeornithes is a subjective synonym of Archornithes'
  • 'Archaeosauria belongs to Reptilia'
  • 'Archaeopteryx macrura is a subjective synonym of Archaeopteryx lithographica'
  • 'Archornithes belongs to Aves'
  • 'Archosauria is a subjective synonym of Hyperosauria'
  • 'Ardeae was reranked as a unranked clade and belongs to Ciconiiformes'
  • 'Asterolepidi belongs to Pterichthyi'
  • 'Atlantosauridae belongs to Sauropoda'
  • 'Atoposaurides is corrected as Atoposauridae and belongs to Crocodili'
  • 'Aves belongs to Tetrapoda'
  • 'Balaenopteridae belongs to Mystacoceti'
  • 'Balanadae is corrected as Balaenidae and belongs to Mystacoceti'
  • 'Belodontia was reranked as the suborder Belodonti and belongs to Loricati'
  • 'Belonorhynchi belongs to Crossopterygii'
  • 'Belonostomi belongs to Crossopterygii'
  • 'Bimani belongs to Mesotheria'
  • 'Bovidae belongs to Ruminantii'
  • 'Bradypidae is corrected as Bradypodidae and belongs to Tardigradi'
  • 'Branchiosauria was reranked as the order Branchiosauri and belongs to Hemispondyla'
  • 'Brontosauridae belongs to Sauropoda'
  • 'Bunolitopternidae belongs to Litopterni'
  • 'Camarasauridae [misspelled as Camarosauridae] belongs to Sauropoda'
  • 'Camelidae belongs to Ruminantii'
  • 'Canidae belongs to Ursocanidi'
  • 'Carnivora belongs to Holotheria'
  • 'Castoridae belongs to Sciurognathi'
  • 'Catarrhini was reranked as the suborder Catarhini and belongs to Simiae'
  • 'Cathartidae belongs to Falconiformes'
  • 'Catosteomi belongs to Teleostea'
  • 'Caudata is a subjective synonym of Urodela'
  • 'Caviidae belongs to Hystricognathi'
  • 'Centetidae belongs to Lipotyphla'
  • 'Centrobati belongs to Selachii'
  • 'Cephalaspidi belongs to Goniaspidi'
  • 'Cephalochordata is a subjective synonym of Leptocardia'
  • 'Ceratodonti belongs to Dipnoa'
  • 'Ceratopsidae belongs to Postpubici'
  • 'Cervidae belongs to Ruminantii'
  • 'Cestraciontes was reranked as the suborder Cestracionti and belongs to Selachii'
  • 'Cetacea is corrected as Cetacei and belongs to Holotheria'
  • 'Champsosauri belongs to Holosauria'
  • 'Charadriiformes was reranked as a suborder and belongs to Alectromorphae'
  • 'Chelonii was reranked as a suborder and belongs to Testudinata'
  • 'Chelydidae is corrected as Chelyidae and belongs to Pleurodiri'
  • 'Chelydridae belongs to Cryptodiri'
  • 'Chimaeri belongs to Holocephala'
  • 'Chinchillidae belongs to Hystricognathi'
  • 'Chiroptera is corrected as Chiropteri and belongs to Mesotheria'
  • 'Chlamydophorina was reranked as the family Chlamydophoridae and belongs to Placophori'
  • 'Chondrostei was reranked as a subclass and belongs to Hypostomata'
  • 'Chrysochloridae belongs to Lipotyphla'
  • 'Ciconiae was reranked as a unranked clade and belongs to Ciconiiformes'
  • 'Ciconiiformes was reranked as a suborder and belongs to Pelargomorphae'
  • 'Cladobatina was reranked as the family Cladobatidae and belongs to Menotyphla'
  • 'Coccostei belongs to Placodermata'
  • 'Coccostei belongs to Coccostei'
  • 'Colymbiformes was reranked as a suborder and belongs to Colymbomorphae'
  • 'Colymbomorphae belongs to Neornithes'
  • 'Condylarthra was reranked as the suborder Condylarthri and belongs to Ungulati'
  • 'Coraciiformes was reranked as a suborder and belongs to Coraciomorphae'
  • 'Coraciomorphae belongs to Neornithes'
  • 'Coryphodontidae belongs to Amblypodi'
  • 'Cotylosauria was reranked as a subclass and belongs to Miosauria'
  • 'Crocodilia was reranked as the suborder Crocodili and belongs to Loricati'
  • 'Crocodylidae [misspelled as Crocodilidae] belongs to Crocodili'
  • 'Crossopterygidae was reranked as the unranked clade Crossopterygii and belongs to Holostea'
  • 'Cryptodira is corrected as Cryptodiri and belongs to Testudinata'
  • 'Crypturi was reranked as a suborder and belongs to Alectromorphae'
  • 'Ctenodactylidae belongs to Sciurognathi'
  • 'Cuculiformes was reranked as a suborder and belongs to Coraciomorphae'
  • 'Cyclolepidi belongs to Crossopterygii'
  • 'Cyclostomata was reranked as a subclass and belongs to Malacostomata'
  • 'Dasipidae is corrected as Dasypodidae and belongs to Placophori'
  • 'Datheosauri belongs to Cotylosauria'
  • 'Delphinidae belongs to Odontoceti'
  • 'Dermatemydidae belongs to Cryptodiri'
  • 'Dermochelyidae is corrected as Dermochelydidae and belongs to Chelonii'
  • 'Dichobunidae belongs to Suiformes'
  • 'Dicotylidae belongs to Suiformes'
  • 'Dicynodontidae belongs to Anomodontii'
  • 'Didelphia was reranked as the suborder Didelphii and belongs to Haplodonti'
  • 'Dinocephalia is corrected as Dinocephali and belongs to Therapsidi'
  • 'Dinoceratidae belongs to Amblypodi'
  • 'Dinosauria is corrected as Dinosauri and belongs to Hyperosauria'
  • 'Diplacanthi belongs to Acanthodi'
  • 'Diplocerci belongs to Cyclolepidi'
  • 'Diplodocidae belongs to Sauropoda'
  • 'Dipnoi was reranked as the order Dipnoa and belongs to Crossopterygii'
  • 'Diprotodonta was reranked as the order Diprotodonti and belongs to Miotheria'
  • 'Dipteri belongs to Dipnoa'
  • 'Diungulati belongs to Holotheria'
  • 'Drepanaspidi belongs to Goniaspidi'
  • 'Dromasauria is corrected as Dromaeosauri and belongs to Therapsidi'
  • 'Duplicidentata was reranked as the suborder Duplicidentati and belongs to Rodentii'
  • 'Emballonuridae belongs to Microchiroptera'
  • 'Emydidae belongs to Cryptodiri'
  • 'Endothiodontidae belongs to Anomodontii'
  • 'Entelodontidae belongs to Suiformes'
  • 'Eotetrapoda belongs to Vertebrata'
  • 'Erinaceidae belongs to Lipotyphla'
  • 'Eugnathi belongs to Crossopterygii'
  • 'Eurhinodelphidae belongs to Odontoceti'
  • 'Falconiformes was reranked as a suborder and belongs to Pelargomorphae'
  • 'Felidi belongs to Carnivora'
  • 'Galeopitheci belongs to Mesotheria'
  • 'Galli belongs to Alectromorphae'
  • 'Geomyidae belongs to Sciurognathi'
  • 'Geosauridae belongs to Crocodili'
  • 'Gephyrostegi belongs to Archaeosauria'
  • 'Giraffidae belongs to Ruminantii'
  • 'Glyptodontidae belongs to Placophori'
  • 'Goniaspidi belongs to Palaeostraci'
  • 'Goniopholididae [misspelled as Goniopholidae] belongs to Crocodili'
  • 'Gravigrada was reranked as the suborder Gravigradi and belongs to Xenarthri'
  • 'Gresslyosauridae belongs to Praepubici'
  • 'Gruidae belongs to Gruiformes'
  • 'Gruiformes was reranked as a suborder and belongs to Alectromorphae'
  • 'Gymnodontes was reranked as a suborder and belongs to Plectognathi'
  • 'Gymnophiona belongs to Amphibia'
  • 'Hadrosauridae belongs to Postpubici'
  • 'Halicoridae belongs to Sirenii'
  • 'Haplodonti belongs to Miotheria'
  • 'Haplomi belongs to Teleostea'
  • 'Haplosauri belongs to Microsauria'
  • 'Hemispondyla belongs to Tetrapoda'
  • 'Herpestinae was reranked as the family Herpestidae and belongs to Felidi'
  • 'Heterocerci belongs to Crossopterygii'
  • 'Heteromi belongs to Teleostea'
  • 'Heterostei belongs to Coccostei'
  • 'Heterostraci was reranked as a order and belongs to Palaeostraci'
  • 'Hippopotamidae belongs to Suiformes'
  • 'Holocephali is corrected as Holocephala and belongs to Placoidea'
  • 'Holoptychii belongs to Cyclolepidi'
  • 'Holosauria belongs to Reptilia'
  • 'Holostei was reranked as the subclass Holostea and belongs to Teleostomata'
  • 'Holotheria belongs to Mammalia'
  • 'Homostei belongs to Coccostei'
  • 'Hyaenidae belongs to Felidi'
  • 'Hylobati belongs to Bimani'
  • 'Hyperosauria belongs to Reptilia'
  • 'Hypertragulidae belongs to Ruminantii'
  • 'Hypospondyli belongs to Cyclostomata'
  • 'Hypostomata belongs to Pisces'
  • 'Hystricidae belongs to Hystricognathi'
  • 'Hystricognathi was reranked as a unranked clade and belongs to Rodentii'
  • 'Ichthyornithes was reranked as a suborder and belongs to Colymbomorphae'
  • 'Ichthyosauria is corrected as Ichthyosauri and belongs to Archaeosauria'
  • 'Iguanodontidae belongs to Postpubici'
  • 'Insectivora is corrected as Insectivori and belongs to Mesotheria'
  • 'Kinosternoidea was reranked as the family Cinosternidae and belongs to Cryptodiri'
  • 'Lacertilia was reranked as the suborder Lacerti and belongs to Lyognathi'
  • 'Lagomyidae is a subjective synonym of Ochotonidae'
  • 'Lemures was reranked as the suborder Lemuri and belongs to Prosimiae'
  • 'Lepidosauria is a subjective synonym of Lyognathi'
  • 'Lepidostei belongs to Crossopterygii'
  • 'Leporidae belongs to Duplicidentati'
  • 'Lepospondyli is a subjective synonym of Microsauria'
  • 'Leptictidae belongs to Lipotyphla'
  • 'Leptocardia belongs to Malacostomata'
  • 'Lipotyphla was reranked as a suborder and belongs to Insectivori'
  • 'Litopterna was reranked as the suborder Litopterni and belongs to Ungulati'
  • 'Loricata is corrected as Loricati and belongs to Hyperosauria'
  • 'Lyognatha was reranked as the order Lyognathi and belongs to Holosauria'
  • 'Macraucheniidae [misspelled as Macrauchenidae] belongs to Litopterni'
  • 'Macroscelididae [misspelled as Macroscelidae] belongs to Menotyphla'
  • 'Malacopteri belongs to Teleostea'
  • 'Malacostomata belongs to Pisces'
  • 'Mammalia belongs to Tetrapoda'
  • 'Manatidae belongs to Sirenii'
  • 'Marsipobranchii is a subjective synonym of Cyclostomata'
  • 'Megachiroptera belongs to Chiropteri'
  • 'Megalosauria was reranked as a unranked clade and belongs to Praepubici'
  • 'Meniscotheriidae [misspelled as Meniscotheridae] belongs to Condylarthri'
  • 'Menotyphla was reranked as a suborder and belongs to Insectivori'
  • 'Merycodontidae belongs to Ruminantii'
  • 'Mesodactyli belongs to Ungulati'
  • 'Mesosauria was reranked as the order Mesosauri and belongs to Archaeosauria'
  • 'Mesosuchia is a subjective synonym of Crocodili'
  • 'Mesotheria belongs to Mammalia'
  • 'Metacheiromyidae [misspelled as Metachiromyidae] belongs to Placophori'
  • 'Metriorhynchidae belongs to Crocodili'
  • 'Microchiroptera belongs to Chiropteri'
  • 'Microsauria was reranked as a subclass and belongs to Miosauria'
  • 'Mioclaenidae belongs to Condylarthri'
  • 'Miosauria belongs to Tetrapoda'
  • 'Miotheria belongs to Mammalia'
  • 'Monorhina is a subjective synonym of Cyclostomata'
  • 'Monotremata is corrected as Monotremati and belongs to Paratheria'
  • 'Mosasauria was reranked as the suborder Mosasauri and belongs to Lyognathi'
  • 'Multituberculata belongs to Miotheria'
  • 'Mustelidae belongs to Ursocanidi'
  • 'Myoxidae belongs to Sciurognathi'
  • 'Myrmecophagi belongs to Xenarthri'
  • 'Mystacoceti belongs to Cetacei'
  • 'Myxini belongs to Cyclostomata'
  • 'Naosauri was reranked as a suborder and belongs to Protorosauri'
  • 'Natalidae belongs to Microchiroptera'
  • 'Necrolestidae belongs to Lipotyphla'
  • 'Nectridea was reranked as the order Nectridei and belongs to Microsauria'
  • 'Neornithes belongs to Aves'
  • 'Nothosauria was reranked as the suborder Nothosauri and belongs to Sauropterygii'
  • 'Notidani belongs to Selachii'
  • 'Notoungulata was reranked as the suborder Notoungulatu and belongs to Ungulati'
  • 'Ochotonidae belongs to Duplicidentati'
  • 'Octodontidae belongs to Hystricognathi'
  • 'Odontoceti belongs to Cetacei'
  • 'Odontolcae belongs to Neornithes'
  • 'Odontotormae is a subjective synonym of Ichthyornithes'
  • 'Onychodonti belongs to Cyclolepidi'
  • 'Ophidia was reranked as the suborder Ophidii and belongs to Lyognathi'
  • 'Opisthomi belongs to Teleostea'
  • 'Oreodontidae belongs to Ruminantii'
  • 'Ornithischia is a subjective synonym of Postpubici'
  • 'Orthopoda is a subjective synonym of Postpubici'
  • 'Ostariophysi was reranked as a order and belongs to Teleostea'
  • 'Osteolepidida is corrected as Osteolepidi and belongs to Crossopterygii'
  • 'Otariina was reranked as the family Otariidae and belongs to Phocidi'
  • 'Oudenodontidae [misspelled as Udenodontidae] belongs to Anomodontii'
  • 'Palaeaspidi belongs to Heterostraci'
  • 'Palaeospondyli belongs to Cyclostomata'
  • 'Palaeosquali belongs to Selachii'
  • 'Palaeostraci belongs to Malacostomata'
  • 'Pantolambdidae belongs to Amblypodi'
  • 'Pantolestidae belongs to Lipotyphla'
  • 'Paranthropi belongs to Bimani'
  • 'Parasuchia is a subjective synonym of Belodonti'
  • 'Paratheria was reranked as a class and belongs to Tetrapoda'
  • 'Pareiasauria was reranked as the order Pareiasauri and belongs to Cotylosauria'
  • 'Passeres belongs to Coraciomorphae'
  • 'Pediculati belongs to Teleostea'
  • 'Pelargomorphae belongs to Neornithes'
  • 'Pelomedusidae belongs to Pleurodiri'
  • 'Pelycosauria is a subjective synonym of Naosauri'
  • 'Percesoces was reranked as a order and belongs to Teleostea'
  • 'Periptychidae belongs to Amblypodi'
  • 'Perissodactyla is a subjective synonym of Mesodactyli'
  • 'Petalichthyi belongs to Ptychostei'
  • 'Petromyzontes was reranked as a order and belongs to Cyclostomata'
  • 'Phenacodontidae belongs to Condylarthri'
  • 'Phlyctaenaspi belongs to Ptychostei'
  • 'Phocadae is corrected as Phocidae and belongs to Phocidi'
  • 'Phocidi belongs to Carnivora'
  • 'Phoenicopteri was reranked as a unranked clade and belongs to Ciconiiformes'
  • 'Pholidosauridae belongs to Crocodili'
  • 'Pholidota belongs to Mesotheria'
  • 'Phyllostomidae belongs to Microchiroptera'
  • 'Physeteridae belongs to Odontoceti'
  • 'Pisces was reranked as a unranked clade and belongs to Eotetrapoda'
  • 'Placodermi was reranked as the subclass Placodermata and belongs to Hypostomata'
  • 'Placodontia is corrected as Placodonti and belongs to Holosauria'
  • 'Placoides was reranked as the subclass Placoidea and belongs to Hypostomata'
  • 'Placophori belongs to Xenarthri'
  • 'Plagiosterni belongs to Hemispondyla'
  • 'Plastomenidae belongs to Trionychii'
  • 'Platanistina was reranked as the family Platanistidae and belongs to Odontoceti'
  • 'Platyrrhini was reranked as the suborder Platyrhini and belongs to Simiae'
  • 'Platysomi belongs to Crossopterygii'
  • 'Platysternidae belongs to Cryptodiri'
  • 'Plectognathi belongs to Teleostea'
  • 'Plesiosauria was reranked as the suborder Plesiosauri and belongs to Sauropterygii'
  • 'Pleuraspidotheriidae [misspelled as Pleuraspidotheridae] belongs to Condylarthri'
  • 'Pleurodira is corrected as Pleurodiri and belongs to Testudinata'
  • 'Polydactyli belongs to Ungulati'
  • 'Polyodonti belongs to Chondrostei'
  • 'Polyprotodontia is a subjective synonym of Didelphii'
  • 'Polypteri was reranked as a order and belongs to Crossopterygii'
  • 'Postpubici belongs to Dinosauri'
  • 'Potamogalidae belongs to Lipotyphla'
  • 'Praepubici belongs to Dinosauri'
  • 'Procellarae is corrected as Procellarii and belongs to Colymbomorphae'
  • 'Procolophonia was reranked as the order Procolophonii and belongs to Archaeosauria'
  • 'Proganosauria is a subjective synonym of Mesosauri'
  • 'Proostea belongs to Teleostomata'
  • 'Prosimiae was reranked as a order and belongs to Mesotheria'
  • 'Protelidi belongs to Carnivora'
  • 'Proterotheriidae [misspelled as Proterotheridae] belongs to Litopterni'
  • 'Protetrapoda belongs to Vertebrata'
  • 'Protodonta was reranked as the suborder Protodonti and belongs to Haplodonti'
  • 'Protoferi belongs to Carnivora'
  • 'Protopteri belongs to Dipnoa'
  • 'Protorosauria is corrected as Protorosauri and belongs to Holosauria'
  • 'Protostegidae belongs to Chelonii'
  • 'Pteraspidi belongs to Heterostraci'
  • 'Pterichthyi belongs to Palaeostraci'
  • 'Pteropodidae belongs to Megachiroptera'
  • 'Pterosauria is corrected as Pterosauri and belongs to Hyperosauria'
  • 'Ptychostei belongs to Placodermata'
  • 'Pycnodonti belongs to Crossopterygii'
  • 'Pythonomorpha is a subjective synonym of Mosasauri'
  • 'Rallidae belongs to Gruiformes'
  • 'Ratitae was reranked as a order and belongs to Neornithes'
  • 'Reptilia belongs to Tetrapoda'
  • 'Rhinae belongs to Selachii'
  • 'Rhinolophidae belongs to Microchiroptera'
  • 'Rhinoraji belongs to Selachii'
  • 'Rhynchosauria is corrected as Rhynchosauri and belongs to Holosauria'
  • 'Rhytinidae belongs to Sirenii'
  • 'Rodentia is corrected as Rodentii and belongs to Mesotheria'
  • 'Ruminantia is corrected as Ruminantii and belongs to Diungulati'
  • 'Sagecephalus belongs to Dicynodontidae'
  • 'Sagecephalus pachyrhynchus belongs to Sagecephalus'
  • 'Saurischia is a subjective synonym of Praepubici'
  • 'Sauropoda was reranked as a unranked clade and belongs to Praepubici'
  • 'Sauropterygia is corrected as Sauropterygii and belongs to Holosauria'
  • 'Saururae is a subjective synonym of Archornithes'
  • 'Sciuridae belongs to Sciurognathi'
  • 'Sciurognathi was reranked as a unranked clade and belongs to Rodentii'
  • 'Sclerocephali belongs to Hemispondyla'
  • 'Sclerodermi belongs to Plectognathi'
  • 'Selachii belongs to Placoidea'
  • 'Simiae belongs to Mesotheria'
  • 'Simplicidentata is corrected as Simplicidentati and belongs to Rodentii'
  • 'Sirenia was reranked as the order Sirenii and belongs to Holotheria'
  • 'Soricidae belongs to Lipotyphla'
  • 'Sphenisci belongs to Colymbomorphae'
  • 'Sphenodonti was reranked as a suborder and belongs to Protorosauri'
  • 'Spinacidi belongs to Selachii'
  • 'Squalodontidae belongs to Odontoceti'
  • 'Squamata is a subjective synonym of Lyognathi'
  • 'Statodonti belongs to Selachii'
  • 'Steganopodes was reranked as a unranked clade and belongs to Ciconiiformes'
  • 'Stegosauridae belongs to Postpubici'
  • 'Sturii belongs to Chondrostei'
  • 'Suidae belongs to Suiformes'
  • 'Suiformes belongs to Diungulati'
  • 'Symbranchia is corrected as Symbranchii and belongs to Teleostea'
  • 'Talpini was reranked as the family Talpidae and belongs to Lipotyphla'
  • 'Tardigrada was reranked as the suborder Tardigradi and belongs to Xenarthri'
  • 'Tarsii was reranked as a suborder and belongs to Prosimiae'
  • 'Teleosauridae belongs to Crocodili'
  • 'Teleostei is corrected as Teleostea and belongs to Teleostomata'
  • 'Teleostomata belongs to Pisces'
  • 'Testudinata belongs to Paratheria'
  • 'Testudinidae belongs to Cryptodiri'
  • 'Tetrapoda belongs to Vertebrata'
  • 'Thelodonti belongs to Goniaspidi'
  • 'Therapsida was reranked as the order Therapsidi and belongs to Paratheria'
  • 'Theridomyidae belongs to Hystricognathi'
  • 'Theriodontia is corrected as Theriodonti and belongs to Paratheria'
  • 'Therocephalia was reranked as the suborder Therocephali and belongs to Therapsidi'
  • 'Tillodonta is corrected as Tillodonti and belongs to Mesotheria'
  • 'Tomistominae was reranked as the family Tomistomidae and belongs to Crocodili'
  • 'Toxochelyidae belongs to Chelonii'
  • 'Trachyacanthi belongs to Holocephala'
  • 'Tragulidae belongs to Ruminantii'
  • 'Tremataspidi belongs to Goniaspidi'
  • 'Trematocephali belongs to Hemispondyla'
  • 'Tretosterninae was reranked as the family Tritosternidae and belongs to Cryptodiri'
  • 'Trichechidae belongs to Phocidi'
  • 'Triconodonta was reranked as the suborder Triconodonti and belongs to Haplodonti'
  • 'Trigonolestidae belongs to Suiformes'
  • 'Trionychia is corrected as Trionychii and belongs to Testudinata'
  • 'Trionychidae belongs to Trionychii'
  • 'Trirostri belongs to Selachii'
  • 'Trituberculata was reranked as the suborder Trituberculati and belongs to Haplodonti'
  • 'Tubulidentata belongs to Holotheria'
  • 'Tunicata belongs to Protetrapoda'
  • 'Turnices belongs to Alectromorphae'
  • 'Ungulata was reranked as the order Ungulati and belongs to Holotheria'
  • 'Urodeles was reranked as the order Urodela and belongs to Amphibia'
  • 'Uronemi belongs to Dipteri'
  • 'Urosauri belongs to Microsauria'
  • 'Ursidae belongs to Ursocanidi'
  • 'Ursocanidi belongs to Carnivora'
  • 'Vespertilionidae belongs to Microchiroptera'
  • 'Viverridae belongs to Felidi'
  • 'Xenarthra was reranked as the order Xenarthri and belongs to Mesotheria'