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Topic: Plotopteridae


  
  Plotopteridae - Wikipedia, the free encyclopedia
The Plotopteridae were an family of flightless seabirds from the order Pelecaniformes.
The earliest known Plotopteridae species, Phocavis maritimus lived in the mid-Eocene, but most of the known species lived in the early and mid-Miocene, after which it appears they went extinct.
That they went extinct at the same time as the time as the giant penguins of the Southern Hemisphere, which also coincided with the radiation of the seals and dolphins, has led to speculation that the expansion of marine mammals was responsible for the extinction of the Plotopteridae.
www.wikipedia.org /wiki/Plotopteridae   (322 words)

  
 Untitled Document   (Site not responding. Last check: 2007-08-12)
A new genus and two new species of gigantic Plotopteridae from Japan (Aves: Pelecaniformes)
The Plotopteridae are wing-propelled, penguin-like diving birds of the order Pelecaniformes found in mid-Tertiary deposits of the North Pacific.
Much new material representing a considerable radiation of genera and species has been discovered in Japan since the basic adaptations and characters of the family were revealed.
www.vertpaleo.org /jvp/16-742-751.html   (156 words)

  
 Science Fair Projects - Seabird
While Hesperornis is not thought to have left descendants, the earliest extant seabirds also occurred in the Cretaceous, with a species called Tytthostonyx glauconiticus, which has been placed in the Procellariiformes.
In the Paleogene the seas were dominated by early Procellariidae, giant penguins and two extinct families, the Pelagornithidae and the Plotopteridae (a group of large seabirds that looked like the penguins).
Modern genera began their wide radiation in the Miocene although the genus Puffinus (which includes today's Manx Shearwater and Sooty Shearwater) dates back to the Oligocene.
www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Sea_bird   (3805 words)

  
 Jim Goedert - Paleontology - Burke Museum
Large, flightless, pelecaniform birds (Family Plotopteridae) were highly convergent with modern penguins and inhabited the North Pacific from Eocene to Mid-Miocene time.
Systematic studies of new fossils of these birds from Washington and Japan are underway.
A preliminary report on the diversity and stratigraphic distribution of the Plotopteridae (Pelecaniformes) in Paleogene rocks of Washington State, U.S.A. Society of Avian Paleontology and Evolution Symposium Volume, Beijing, China.
washington.edu /burkemuseum/collections/paleontology/people_goedert.php   (404 words)

  
 Pelecaniformes - EvoWiki   (Site not responding. Last check: 2007-08-12)
Sulids do not appear in the fossil record until the Oligocene and are represented by Sula ronzoni of France.
Perhaps the most extraordinary representatives of this Miocene adaptive radiation of the Pelecaniformes are the Plotopteridae and the Pelagornithidae, or pseudodontorns.
The plotopterids are gigantic wing-propelled divers convergent upon Sphenisciformes (Olson and Hasegawa 1979), and they represent the largest diving birds known, in one species measuring 1.8 meters (roughly six feet) from bill to tail (Feduccia 1996).
wiki.cotch.net /wiki.phtml?title=Pelecaniformes   (2207 words)

  
 SAPE Newsletter 1998 no.12   (Site not responding. Last check: 2007-08-12)
They have described the remains of a Plotopteridae from Northern Hokkaido.
KIMURA M. and SAKURAI K. An extinct fossil bird (Plotopteridae) from the Tokoro Formation (Late Oligocene) in Abashiri City, northeastern Hokkaido, Japan.
OLSON S. and HASEGAWA Y. A new genus and two new species of gigantic Plotopteridae from the Oligocene of Japan (Aves: Pelecaniformes).
www.nrm.se /ve/birds/sape/sapenews12.html.en   (9601 words)

  
 Kind Number 10 : Pelicans, Cormorants, Gannets and their kin   (Site not responding. Last check: 2007-08-12)
Pelicanidae - (Pelican) Pelicans 7 species, First in Fossil Record: Tertiary / Oligocene
Plotopteridae - (No Translation) Plotopterids First in Fossil Record: Tertiary / Eocene, Ext: Tertiary
Elopterygidae - (No Translation) Elopterygids First in Fossil Record: Late Cretaceous, Ext: Tertiary
www.noahsarkzoofarm.co.uk /research/showbirds.php?kindNumber=10   (237 words)

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