- It is also
thought that
early avialans were
either cranially akinetic or had
otherwise limited cranial kinesis.
Avialans diversified into a wide variety...
-
Baminornis (meaning "Fujian
Province bird") is an
extinct genus of
basal avialans from the Late Jur****ic (Tithonian age)
Nanyuan Formation of China. The...
-
Avialans of the Two
Medicine Formation Genus Species Location Stratigraphic position Material Notes Images Gettyia G.
gloriae Upper "Tarsometatarsus" An...
- backward-pointing hip
characterizes the therizinosaurs, dromaeosaurids,
avialans, and some
primitive troodontids. The fact that the backward-pointing hip...
- anchiornithids, and
possibly the scansoriopterygids, the
group also
contains the
avialans,
which include diverse extinct taxa as well as the over 10,000 species...
-
Pygostylia is a
group of
avialans which includes the
Confuciusornithidae and all of the more
advanced species, the Ornithothoraces. The
group Pygostylia...
-
Unlike Archaeopteryx and the non-
avialan feathered dinosaurs, who
primarily ate meat,
studies suggest that the
first avialans were omnivores. The Late Jur****ic...
- were
approximately the size of turkeys,
making them
among the
largest avialans known until the Late Cretaceous.
Their diet
included seeds of cycads, Ginkgo...
-
Jixiangornis is a
genus of
basal avialan dinosaurs from the
Early Cretaceous. Like
later avialans, it had no teeth, but it also had a long tail, unlike...
- a
natural group which includes the most
recent common ancestor of all
avialans closer to
modern birds than to the enantiornithines. This
group was defined...
