- is a
bulbous medial condyle of the
tibiotarsus (lower leg bone). The
pygostylians fall into two
distinct groups with
regard to the pygostyle. The Ornithothoraces...
-
Cratonavis (meaning "Craton bird") is an
extinct genus of
pygostylian avialian from the
Early Cretaceous Jiufotang Formation of
Liaoning Province, China...
-
Confuciusornithidae is an
extinct family of
pygostylian avialans known from the
Early Cretaceous,
found in
northern China. They are
commonly placed as...
- In the 2018
description of the
basal pygostylian Jinguofortis,
Chongmingia was
recovered as a
basal pygostylian sister to the
former genus, and both genera...
-
Jinguofortisidae is an
extinct family of
early pygostylian dinosaurs known from the
Early Cretaceous. They were
found in
northern China. The Jinguofortisidae...
-
Changchengornis is an
extinct basal pygostylian genus from the
Early Cretaceous. Its
remains have been
found in the People's
Republic of China, in Chaomidianzi...
-
Yangavis is a
basal pygostylian genus,
belonging to the Confuciusornithidae, that in the
Early Cretaceous lived in the area of
present China. The type...
-
Omnivoropterygidae (meaning "omnivorous wings") is a
family of
primitive avialan dinosaurs known exclusively from the
Jiufotang Formation of China, though...
-
Ornithothoraces is a
group of
avialan dinosaurs that
includes all
enantiornithes ("opposite birds") and the
euornithes ("true birds"),
which includes modern...
- and made the type
specimen of a
third species, J. curvipes. The non-
pygostylian avialan Jixiangornis orientalis was
considered a
possible synonym of...