Polarornis is a genus of prehistoric bird, possibly an anserimorph. It contains a single species Polarornis gregorii, known from incomplete remains of...
7 KB (748 words) - 17:01, 4 July 2024
galliform. It is now primarily known to be an ambiortiform. †Polarornis †Polarornis gregorii 66 Ma Lopez de Bertodano Formation, Seymour Island, Antarctica...
114 KB (162 words) - 21:51, 15 September 2024
Miranda-Ribeiro 1937] †Neogaeornis wetzeli Lambrecht 1929 (Late Cretaceous) †Polarornis gregorii Chatterjee 2002 (Late Cretaceous) †Vegavis iaai Clarke et al. 2005...
245 KB (19,042 words) - 06:56, 27 September 2024
(2017). A study on the phylogenetic relationships of Vegavis iaai, Polarornis gregorii and Australornis lovei is published by Agnolín et al. (2017), who...
220 KB (21,999 words) - 05:46, 28 September 2024
the late Cretaceous (68 - 66 Ma) of Vega Island, Antarctica and Polarornis gregorii (Chatterjee 2002) from the Late Cretaceous López de Bertodano Formation...
7 KB (770 words) - 15:15, 7 February 2024
Relationships undetermined, cranium some 5–6 centimetres (2.0–2.4 in) long Polarornis P. gregorii Sandwich Bluff, Seymour Island Partial skull and skeleton, holotype...
44 KB (2,688 words) - 20:45, 3 October 2024
(1): 10–20. Chatterjee, S. (2002). "The Morphology and Systematics of Polarornis, a Cretaceous Loon (Aves: Gaviidae) from Antarctica". Proceedings of the...
56 KB (2,967 words) - 02:18, 27 June 2024