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Perudyptes

From Wikipedia, the free encyclopedia
Extinct species of bird

Perudyptes
Scientific classificationEdit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Sphenisciformes
Family:Spheniscidae
Genus:Perudyptes
Clarkeet al., 2007
Species:
P. devriesi
Binomial name
Perudyptes devriesi
Clarkeet al., 2007

Perudyptes is abasalpenguin from theMiddle Eocene Paracas Formation ofPeru.[1][2][3] The genus namePerudyptes is named after the country, while the species namedevriesiThomas DeVries, aVashon Island High School science teacher[4] who has long worked in Peru.

Description

[edit]

Perudyptes devriesi is a basal penguin from the Middle Eocene (Mustersan, ~42 Ma)Paracas Formation of Peru. This new discovery is able to fill a major phylogenetic and stratigraphic (~20 million year) gap between the earliest fossil penguins (Waimanu manneringi andMuriwaimanu tuatahi, ~58–61.6 Ma) and the next oldest partial skeletons.[3]

The skull ofPerudyptes is characterized by deep temporal fossae and an elongate, narrow beak that differs from other reported stem penguins in its short mandibular symphysis. The wing skeleton of Perudyptes preserves a combination of plesiomorphic features also observed in the basal penguinWaimanu and derived features shared with more crownward penguins.[2]

References

[edit]
  1. ^Perudyptes atFossilworks.org
  2. ^abJulia A. Clarke; Daniel T. Ksepka; Marcelo Stucchi; Mario Urbina; Norberto Giannini; Sara Bertelli; Yanina Narváez & Clint A. Boyd (2007)."Paleogene equatorial penguins challenge the proposed relationship between penguin biogeography, body size evolution, and Cenozoic climate change".Proceedings of the National Academy of Sciences.104 (28):11545–11550.doi:10.1073/pnas.0611099104.PMC 1913862.PMID 17601778.
  3. ^abDaniel T. Ksepka & Julia A. Clarke (2010). "The basal penguin (Aves, Sphenisciformes)Perudyptes devriesi and a phylogenetic evaluation of the penguin fossil record".Bulletin of the American Museum of Natural History.337.hdl:2246/6065.
  4. ^"Tom Devries Class Web Page".Vashon Island School District. Archived fromthe original on 2010-12-01. Retrieved2008-01-27.
Genera ofpenguins,petrels, andalbatrosses and their extinct allies
incertae sedis
Spheniscidae
Palaeospheniscinae
Paraptenodytinae
†"Palaeeudyptinae"
Spheniscinae
Icadyptes salasi
incertae sedis
Diomedeoididae
Marinavidae
Tytthostonychidae
Diomedeidae
Oceanitidae
Hydrobatidae
Procellariidae
Pterodroma caribbaea
Perudyptes


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