Taxonomic status of the Eocene penguins Orthopteryx gigas Wiman, 1905 and Ichtyopteryx gracilis Wiman, 1905 from Antarctica

C. Acosta Hospitaleche, and M. Reguero

2011

Article

Alcheringa 35(3):463-466

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Taxonomy:

• Orthopteryx gigas belongs to Spheniscidae - Acosta Hospitaleche (2011)
• Orthopteryx belongs to Spheniscidae - Acosta Hospitaleche (2011)
• Delphinornis gracilis belongs to Spheniscidae - Acosta Hospitaleche (2011)
• Ichtyopteryx belongs to Spheniscidae - Acosta Hospitaleche (2011)