Opinions from R. Van Der Laan 2019

  • 'Americaspidae belongs to Cyathaspidoidei'
  • 'Americaspis belongs to Americaspidae'
  • 'Amphiaspididae belongs to Amphiaspidoidei'
  • 'Amphiaspis belongs to Amphiaspididae'
  • 'Angaraspididae belongs to Amphiaspidoidei'
  • 'Angaraspis belongs to Angaraspididae'
  • 'Anglaspidae belongs to Cyathaspidoidei'
  • 'Anglaspis belongs to Anglaspidae'
  • 'Aphataspididae belongs to Hibernaspidoidei'
  • 'Arandaspida belongs to Pteraspidomorpha'
  • 'Arandaspididae belongs to Arandaspidiformes'
  • 'Arandaspidiformes belongs to Arandaspida'
  • 'Arandaspis belongs to Arandaspididae'
  • 'Ariaspididae belongs to Heterostraci'
  • 'Ariaspis belongs to Ariaspididae'
  • 'Aseraspididae belongs to Arandaspida'
  • 'Aseraspis belongs to Aseraspididae'
  • 'Astraspida was reranked as a subclass and belongs to Pteraspidomorpha'
  • 'Astraspididae belongs to Astraspidiformes'
  • 'Astraspidiformes belongs to Astraspida'
  • 'Astraspis belongs to Astraspididae'
  • 'Boothiaspidinae belongs to Torpedaspididae'
  • 'Boothiaspis belongs to Boothiaspidinae'
  • 'Cardipeltidae belongs to Cardipeltiformes'
  • 'Cardipeltiformes belongs to Heterostraci'
  • 'Cardipeltis belongs to Cardipeltiformes'
  • 'Cephalaspidomorphi is a subjective synonym of Petromyzontida'
  • 'Corvaspididae belongs to Corvaspidiformes'
  • 'Corvaspidiformes belongs to Heterostraci'
  • 'Corvaspis belongs to Corvaspididae'
  • 'Craniata belongs to Chordata'
  • 'Ctenaspididae belongs to Cyathaspidoidei'
  • 'Ctenaspis belongs to Ctenaspididae'
  • 'Cyathaspididae belongs to Cyathaspidoidei'
  • 'Cyathaspidiformes was reranked as a order and belongs to Heterostraci'
  • 'Cyathaspidoidei belongs to Cyathaspidiformes'
  • 'Cyathaspis belongs to Cyathaspididae'
  • 'Dictyaspidella belongs to Dictyaspidellidae'
  • 'Dictyaspidellidae belongs to Cyathaspidoidei'
  • 'Dictyaspis belongs to Dictyonaspidae'
  • 'Dictyonaspidae belongs to Cyathaspidoidei'
  • 'Dinaspidae belongs to Cyathaspidoidei'
  • 'Dinaspidella belongs to Dinaspidellidae'
  • 'Dinaspidellidae belongs to Cyathaspidoidei'
  • 'Dinaspis belongs to Dinaspidae'
  • 'Diplaspididae belongs to Cyathaspidoidei'
  • 'Diplaspis belongs to Diplaspididae'
  • 'Edaphaspididae belongs to Amphiaspidoidei'
  • 'Edaphaspis belongs to Edaphaspididae'
  • 'Eglonaspididae belongs to Hibernaspidoidei'
  • 'Eglonaspis belongs to Eglonaspididae'
  • 'Eriptychiidae belongs to Astraspidiformes'
  • 'Eriptychius belongs to Eriptychiidae'
  • 'Gabreyaspididae belongs to Amphiaspidoidei'
  • 'Gabreyaspis belongs to Gabreyaspididae'
  • 'Geotriidae belongs to Petromyzontiformes'
  • 'Gilpichthyidae belongs to Petromyzontida'
  • 'Gilpichthys belongs to Gilpichthyidae'
  • 'Hardistiella belongs to Hardistiellidae'
  • 'Hardistiellidae belongs to Petromyzontiformes'
  • 'Heterostraci belongs to Pteraspidomorpha'
  • 'Hibernaspididae belongs to Hibernaspidoidei'
  • 'Hibernaspidoidei belongs to Cyathaspidiformes'
  • 'Hibernaspis belongs to Hibernaspididae'
  • 'Irregularaspidae belongs to Cyathaspidoidei'
  • 'Lepidaspididae belongs to Lepidaspidiformes'
  • 'Lepidaspidiformes belongs to Heterostraci'
  • 'Lepidaspis belongs to Lepidaspididae'
  • 'Mayomyzon belongs to Mayomyzontidae'
  • 'Mayomyzontidae belongs to Petromyzontiformes'
  • 'Mordaciidae belongs to Petromyzontiformes'
  • 'Myllokunmingia belongs to Myllokunmingiidae'
  • 'Myllokunmingiidae belongs to Myllokunmingiiformes'
  • 'Myllokunmingiiformes belongs to Craniata'
  • 'Myxini was reranked as a class and belongs to Myxinomorphi'
  • 'Myxinidae belongs to Myxiniformes'
  • 'Myxiniformes belongs to Myxini'
  • 'Myxinomorphi was reranked as a unranked clade and belongs to Craniata'
  • 'Natlaspididae belongs to Tesseraspidiformes'
  • 'Natlaspis belongs to Natlaspididae'
  • 'Olbiaspididae belongs to Amphiaspidoidei'
  • 'Olbiaspis belongs to Olbiaspididae'
  • 'Oniscolepididae belongs to Astraspidiformes'
  • 'Oniscolepis belongs to Oniscolepididae'
  • 'Palaeaspidae belongs to Cyathaspidoidei'
  • 'Palaeaspis belongs to Palaeaspidae'
  • 'Petromyzontida belongs to Vertebrata'
  • 'Petromyzontidae belongs to Petromyzontiformes'
  • 'Petromyzontiformes belongs to Petromyzontida'
  • 'Phialaspididae belongs to Traquairaspidiformes'
  • 'Pipisciidae belongs to Petromyzontida'
  • 'Pipiscius belongs to Pipisciidae'
  • 'Poraspididae belongs to Cyathaspidoidei'
  • 'Poraspis belongs to Poraspididae'
  • 'Porophoraspidae belongs to Arandaspidiformes'
  • 'Porophoraspis belongs to Porophoraspidae'
  • 'Pteraspidomorpha belongs to Pteraspidomorphi'
  • 'Pteraspidomorphi was reranked as a superclass and belongs to Craniata'
  • 'Siberiaspididae belongs to Siberiaspidoidei'
  • 'Siberiaspidoidei belongs to Cyathaspidiformes'
  • 'Siberiaspis belongs to Siberiaspididae'
  • 'Tesakoviaspididae belongs to Astraspidiformes'
  • 'Tesakoviaspis belongs to Tesakoviaspididae'
  • 'Tesseraspididae belongs to Tesseraspidiformes'
  • 'Tesseraspidiformes belongs to Heterostraci'
  • 'Tesseraspis belongs to Tesseraspididae'
  • 'Tolypaspidae belongs to Tolypelepidiformes'
  • 'Tolypaspis belongs to Tolypaspidae'
  • 'Tolypelepididae belongs to Tolypelepidiformes'
  • 'Tolypelepidiformes belongs to Heterostraci'
  • 'Tolypelepis belongs to Tolypelepididae'
  • 'Torpedaspididae belongs to Cyathaspidoidei'
  • 'Torpedaspis belongs to Torpedaspididae'
  • 'Traquairaspididae belongs to Traquairaspidiformes'
  • 'Traquairaspidiformes belongs to Heterostraci'
  • 'Tuxeraspididae belongs to Siberiaspidoidei'
  • 'Tuxeraspis belongs to Tuxeraspididae'
  • 'Vertebrata was reranked as a unranked clade and belongs to Craniata'
  • 'Weigeltaspidae belongs to Traquairaspidiformes'
  • 'Weigeltaspis belongs to Weigeltaspidae'