Opinions from O. C. Marsh 1880

  • 'Apatornis belongs to Odontotormae'
  • 'Archaeopteryx belongs to Saururae'
  • 'Baptornis advenus belongs to Baptornis'
  • 'Graculavus agilis is recombined as Ichthyornis agilis'
  • 'Graculavus anceps is recombined as Ichthyornis anceps'
  • 'Graculavus lentus is recombined as Ichthyornis lentus'
  • 'Graculavus pumilus belongs to Graculavus'
  • 'Graculavus velox belongs to Graculavus'
  • 'Hesperornis belongs to Odontolcae'
  • 'Hesperornis gracilis belongs to Hesperornis'
  • 'Hesperornis gracilis belongs to Hesperornis' according to Marsh 1876
  • 'Hesperornis regalis belongs to Hesperornis'
  • 'Ichthyornis belongs to Odontotormae'
  • 'Ichthyornis celer is recombined as Apatornis celer'
  • 'Ichthyornis dispar belongs to Ichthyornis'
  • 'Ichthyornis tener belongs to Ichthyornis'
  • 'Ichthyornis validus belongs to Ichthyornis'
  • 'Ichthyornis victor belongs to Ichthyornis' according to Marsh 1876
  • 'Ichthyornis victor belongs to Ichthyornis'
  • 'Laornis edvardsianus belongs to Laornis'
  • 'Lestornis is a subjective synonym of Hesperornis'
  • 'Lestornis crassipes belongs to Lestornis' according to Marsh 1876
  • 'Lestornis crassipes is recombined as Hesperornis crassipes'
  • 'Odontolcae belongs to Odontornithes'
  • 'Odontotormae belongs to Odontornithes'
  • 'Palaeotringa littoralis belongs to Palaeotringa'
  • 'Palaeotringa vagans belongs to Palaeotringa'
  • 'Palaeotringa vetus belongs to Palaeotringa' according to Marsh 1870
  • 'Palaeotringa vetus belongs to Palaeotringa'
  • 'Sauriurae [misspelled as Saururae] belongs to Odontornithes'
  • 'Telmatornis affinis belongs to Telmatornis'
  • 'Telmatornis priscus belongs to Telmatornis' according to Marsh 1870
  • 'Telmatornis priscus belongs to Telmatornis'