Redescription of Crossvallia Unienwillia: the only Paleocene Antarctic Penguin

• Published in: Ameghiniana
• Main Authors: Jadwiszczak, Piotr, Acosta Hospitaleche, Carolina Ileana Alicia, Reguero, Marcelo Alfredo
• Format: Article in Journal/Newspaper
• Language: English
• Published: Asociacion Paleontologica Argentina
• Subjects: Fossil Penguin; Antarctica; Early Paleocene; Marambio; Cross Valley Formation; Crossvallia Unienwillia; Limb Bones; Thoracic Vertebra; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; Antarctic; Argentina; Seymour; Seymour Island; Alicia; Acosta; Pingüino; isla Marambio; Cross Valley; Antarc*; Antártica
• Online Access: http://hdl.handle.net/11336/9613

Redescribed and reinterpreted here is a partial skeleton of the oldest Antarctic penguin, Crossvallia unienwillia from the late Paleocene of Marambio (Seymour) Island. A thorough morphological analysis of limb bones (humerus, femur and tibiotarsus) allowed us to report both an amended reconstruction...