Pygostylia is a group of avialans which includes the Confuciusornithidae and all of the more advanced species, the Ornithothoraces. The group Pygostylia...
8 KB (796 words) - 04:37, 25 June 2024
avialans were shortened with the advent of the pygostyle bone in the group Pygostylia. In the late Cretaceous, around 95 million years ago, the ancestor of...
19 KB (1,717 words) - 00:29, 6 December 2024
Birds evolved from certain feathered theropod dinosaurs, and there is no real dividing line between birds and non-avian dinosaurs except that some of the...
245 KB (19,042 words) - 12:03, 11 December 2024
monophyly of the group, placing them as basal avialans and sister to Pygostylia. No phylogenetic definitions for these groups were provided by Zhou and...
3 KB (198 words) - 09:05, 15 October 2024
adapted from these later to improve flight performance. The bird clade Pygostylia was named in 1996, by Luis Chiappe, for the presence of this feature and...
9 KB (958 words) - 20:01, 29 April 2024
Chongmingia is a genus of basal avialan belonging to Pygostylia that lived during the Aptian. It was found in the Jiufotang Formation in Chaoyang, China...
5 KB (473 words) - 20:16, 5 December 2024
confirmed by a cladistic analysis by Chiappe, who defined a new group: the Pygostylia of which Confuciusornis is by definition the most basal member. Several...
92 KB (11,483 words) - 03:45, 5 December 2024
other phalanges. Confuciusornithidae is the most basal group of the clade Pygostylia, whose members possess a pygostyle, a fused set of caudal vertebrae at...
15 KB (1,743 words) - 03:45, 5 December 2024
Wellnhoferia to be from a clade sister to the lineage including Jeholornis and Pygostylia, with Microraptoria, Unenlagiinae, and the clade containing Anchiornis...
107 KB (11,558 words) - 02:11, 4 January 2025
Clade: Dinosauria Clade: Saurischia Clade: Theropoda Clade: Avialae Clade: Pygostylia Clade: Ornithothoraces Chiappe & Calvo, 1994 Subgroups †Enantiornithes...
7 KB (451 words) - 07:18, 13 October 2024
Omnivoropterygiformes. A study published in 2014 found Balaur to be sister to Pygostylia. An independent analysis using an expanded version of the original data...
30 KB (3,353 words) - 16:46, 6 January 2025
that it may actually be more closely related to short-tailed avialans (Pygostylia) than to Jeholornis. Shenzhouraptor sinensis (the name of which is derived...
24 KB (2,783 words) - 09:10, 15 October 2024