Subclass Enantiornithes

Please do not plagiarize. If you would like to use this information in a print or electronic publication, please ask me for permission first and cite this page as:
Knapp, Robbin D. 1998. "Subclass Enantiornithes" in Robb's Online Multimedia Database of Animals and Plants. Sept. 23, 1998.

Orders of the Subclass Enantiornithes ("opposite" birds)

so-named because certain features of their anatomy seem to be arranged in an opposite manner to those of recent birds, i.e. Neornithes

1. Gobipterygiformes ("Gobi wing" birds) extinct
   Families:
   • Gobipterygidae
     Genera:
     • Gobipteryx
     • Horezmavis
2. Enantiornithiformes ("opposite" birds) extinct
   Families:
   • Enantiornithidae
     Genera:
     • Enantiornis
     • Nanantius
3. Zhyraornithiformes (membership in Enantiornithes uncertain) extinct
   Families:
   • Zhyraornithidae
     Genera:
     • Zhyraornis
4. (Orders of following families uncertain or at least unknown to me) extinct
   • Alexornithidae
     Genera:
     • Alexornis (membership in Enantiornithes uncertain)
     • Kizylkumavis (membership in Alexornithidae and Enantiornithes uncertain)
     • Sazavis
   • Avisauridae
     Genera:
     • Avisaurus
     • Neuquenornis
     • Soroavisaurus
   • Cathayornithidae
     Genera:
     • Cathayornis
   • (Families of following genera uncertain or at least unknown to me)
     • Concornis
     • Confuciusornis
     • Eoalulavis ("dawn bird with an alula ('little wing')")
       Species:
       • E. hoyasi ("Eoalulavis from Las Hoyas (Spain)")
     • Lectavis
     • Otogornis (membership in Enantiornithes uncertain)
     • Sinornis (membership in Enantiornithes uncertain)
     • Yungavolucris

King Philip Chews on funny ginger snaps.

• Creisler, Ben. 1996. "Aves Translation and Pronunciation Guide". Oct. 28, 1996.
• 1996. "GEO Paläontologie: Aeronauten der Kreidezeit". Nov. 1996.
• Microsoft Corporation. 1996. "Paleontology: Earliest Modern Bird Discovered in Spain" in September 96 Update to Microsoft® Encarta® 96 Encyclopedia.
• Simpson, D.P. (compiler). 1979. Cassell's New Compact Latin Dictionary. Dell Publishing Co., Inc.: New York. 379 pages.
• "Superorder Incertae Sedis" in http://133.92.54.27/bird/bird01.