Searches , social queries for POLARORNIS
Search references for POLARORNIS. Phrases containing POLARORNIS
See searches and references containing POLARORNIS!
Search references for POLARORNIS. Phrases containing POLARORNIS
See searches and references containing POLARORNIS!POLARORNIS
Extinct genus of birds
Polarornis is a genus of prehistoric bird, either a possible member of the Vegaviidae or Aequornithes. It contains a single species Polarornis gregorii
Polarornis
Infraclass of birds
Cretaceous supported by phylogenetic analyses include Asteriornis, Vegavis, Polarornis and Pujatopouli, but molecular clocks suggest that neognaths originated
Neognathae
Extinct genus of birds
founded the Marambio Base in 1969. Pujatopouli is smaller in body size than Polarornis from the same formation, weighing up to 2.03 kg (4.5 lb). The beak is
Pujatopouli
Extinct genus of birds
Polarornis and several other extinct avian genera, but the monophyly of this clade was questioned by subsequent studies. The fragmentary Polarornis might
Vegavis
Extinct genus of birds
ancestor Polarornis from Seymour Island, Antarctica presents a similar dilemma and Neogaeornis and there is little consensus about the age of Polarornis, and
Neogaeornis
Extinct family of birds
colleagues reviewed vegaviid systematics and stated that while Vegavis and Polarornis are likely sister genera based on overall similarities in their femur
Vegaviidae
Extinct genus of birds
from the late Cretaceous (68 - 66 Ma) of Vega Island, Antarctica and Polarornis gregorii (Chatterjee 2002) from the Late Cretaceous López de Bertodano
Australornis
al. (2017). A study on the phylogenetic relationships of Vegavis iaai, Polarornis gregorii and Australornis lovei is published by Agnolín et al. (2017)
2017 in archosaur paleontology
2017_in_archosaur_paleontology
Miranda-Ribeiro 1937] †Neogaeornis wetzeli Lambrecht 1929 (Late Cretaceous) †Polarornis gregorii Chatterjee 2002 (Late Cretaceous) †Vegavis iaai Clarke et al
List_of_fossil_bird_genera
Island of Antarctica
plesiosaurs (Mauisaurus sp.), dinosaurs (Hadrosauridae), and birds (Polarornis sp. and Vegavis iaai). Northern features, from west to east, include:
Vega_Island
(1): 10–20. Chatterjee, S. (2002). "The Morphology and Systematics of Polarornis, a Cretaceous Loon (Aves: Gaviidae) from Antarctica". Proceedings of the
2002_in_paleontology
Science: 56. Chatterjee, S. (2002). "The morphology and systematics of Polarornis, a Cretaceous loon (Aves: Gaviidae) from Antarctica". In Zhou, Z.; Zhang
List of Mesozoic bird-line archosaur genera (P–S)
List_of_Mesozoic_bird-line_archosaur_genera_(P–S)
ISSN 1932-6203. Chatterjee, S (2002). "The morphology and systematics of Polarornis, a Cretaceous loon (Aves: Gaviidae) from Antarctica". In Zhou; Zhang (eds
List_of_Mesozoic_birds
or galliform. It is now primarily known to be an ambiortiform. †Polarornis †Polarornis gregorii 66 Ma López de Bertodano Formation, Seymour Island, Antarctica
List of vertebrate fauna of the Maastrichtian stage
List_of_vertebrate_fauna_of_the_Maastrichtian_stage
Geologic formation in Antarctica
Indeterminate Cape Lamb, Vega Island AMNH FARB 30913, distal tarsometatarsus Polarornis P. gregorii Seymour Island Partial skull and skeleton, holotype A possible
López_de_Bertodano_Formation
Continental cluster of Australia, Zealandia and Antarctica after Gondwana broke apart
discovered in Late Cretaceous Chile and Antarctica: Neogaeornis and Polarornis. Polarornis may have been capable of both diving and flight. The earliest penguins
East_Gondwana
travel, tourism, insurance
POLARORNIS
POLARORNIS
POLARORNIS
POLARORNIS
POLARORNIS
POLARORNIS
POLARORNIS
POLARORNIS
POLARORNIS
travel, tourism, insurance