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Polarornis is a genus of prehistoric bird, possibly an anserimorph. It contains a single species Polarornis gregorii, known from incomplete remains of one individual found on Seymour Island, Antarctica, in rocks which are dated to the Late Cretaceous (López de Bertodano Formation, about 66 Ma). The discovery of Polarornis gregorii was first announced by Sankar Chatterjee in 1989, but he did not describe and officially name the species until 2002. The name Polarornis had been announced unofficially several years prior to its official publication, in Chatterjee's 1997 book The Rise of Birds.

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rdf:type
rdfs:label
  • Polarornis (eo)
  • Polarornis (fr)
  • Polarornis (en)
  • 極地鳥屬 (zh)
  • Polarornis gregorii (uk)
rdfs:comment
  • Polarornis estas genro de prahistoriaj birdoj, eble kolimbo, nome de Gavioformaj.Ĝi enhtavas ununuran specion Polarornis gregorii konata el nekompletaj restoj de unu individuo trovita en la Insulo Seymour, Antarkto, en rokoj kiuj datas el Malsupra Kretaceo (Kuŝejo López de Bertodano, antaŭ 65 mj). La malkovro de Polarornis gregorii estis unuafoje anoncita de en 1989, sed li ne priskribis ĝin kaj oficiale ne nomigis la specion ĝis 2002. La nomo Polarornis estis anoncita neoficiale kelkajn jarojn antaŭ ties oficiala publikigo, en libro de Chatterjee de 1997 nome The Rise of Birds. (eo)
  • Polarornis gregorii Polarornis gregorii Genre † PolarornisChatterjee, 2002 Espèce † Polarornis gregoriiChatterjee, 2002 Polarornis est un genre éteint d'oiseaux préhistoriques, peut-être un Anseriformes. Une seule espèce y est rattachée, Polarornis gregorii, connue par les restes incomplets d'un individu trouvé sur l'île Seymour, Antarctique, trouvée dans des roches datées du Crétacé supérieur dans la partie supérieure de la formation géologique de Lopez de Bertodano, dans un niveau daté du Maastrichtien, soit il y a environ entre 72,1 et 66,0 millions d'années. (fr)
  • Polarornis is a genus of prehistoric bird, possibly an anserimorph. It contains a single species Polarornis gregorii, known from incomplete remains of one individual found on Seymour Island, Antarctica, in rocks which are dated to the Late Cretaceous (López de Bertodano Formation, about 66 Ma). The discovery of Polarornis gregorii was first announced by Sankar Chatterjee in 1989, but he did not describe and officially name the species until 2002. The name Polarornis had been announced unofficially several years prior to its official publication, in Chatterjee's 1997 book The Rise of Birds. (en)
  • 極地鳥屬（學名：Polarornis）是（Anserimorphae）已滅絕的一個屬，屬維加鳥科，僅有Polarornis gregorii一種，其化石出土於南極洲西摩島，年代為距今約6600萬年的馬斯垂克期。極地鳥最早於1988年由古生物學家發現，但直到2002年才正式描述發表，不過他在1997年便在其著作The Rise of Birds中使用了本屬的學名。 (zh)
  • Polarornis gregorii — викопний вид морських птахів вимерлого ряду Vegaviiformes, що існував у кінці крейди (66 млн років тому) у Південній півкулі. (uk)
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  • Chatterjee 2002 (en)
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  • Chatterjee 2002 (en)
taxon
  • Polarornis gregorii (en)
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  • Polarornis estas genro de prahistoriaj birdoj, eble kolimbo, nome de Gavioformaj.Ĝi enhtavas ununuran specion Polarornis gregorii konata el nekompletaj restoj de unu individuo trovita en la Insulo Seymour, Antarkto, en rokoj kiuj datas el Malsupra Kretaceo (Kuŝejo López de Bertodano, antaŭ 65 mj). La malkovro de Polarornis gregorii estis unuafoje anoncita de en 1989, sed li ne priskribis ĝin kaj oficiale ne nomigis la specion ĝis 2002. La nomo Polarornis estis anoncita neoficiale kelkajn jarojn antaŭ ties oficiala publikigo, en libro de Chatterjee de 1997 nome The Rise of Birds. (eo)
  • Polarornis gregorii Polarornis gregorii Genre † PolarornisChatterjee, 2002 Espèce † Polarornis gregoriiChatterjee, 2002 Polarornis est un genre éteint d'oiseaux préhistoriques, peut-être un Anseriformes. Une seule espèce y est rattachée, Polarornis gregorii, connue par les restes incomplets d'un individu trouvé sur l'île Seymour, Antarctique, trouvée dans des roches datées du Crétacé supérieur dans la partie supérieure de la formation géologique de Lopez de Bertodano, dans un niveau daté du Maastrichtien, soit il y a environ entre 72,1 et 66,0 millions d'années. (fr)
  • Polarornis is a genus of prehistoric bird, possibly an anserimorph. It contains a single species Polarornis gregorii, known from incomplete remains of one individual found on Seymour Island, Antarctica, in rocks which are dated to the Late Cretaceous (López de Bertodano Formation, about 66 Ma). The discovery of Polarornis gregorii was first announced by Sankar Chatterjee in 1989, but he did not describe and officially name the species until 2002. The name Polarornis had been announced unofficially several years prior to its official publication, in Chatterjee's 1997 book The Rise of Birds. (en)
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