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Yanornithiformes is an
order of
ornithuromorph dinosaurs from the
early Cretaceous Period of China. All
known specimens come from the
Yixian Formation...
- et al. (2006)
found that the most
primitive known euornithians (the
Yanornithiformes) had a
mosaic of
advanced and
primitive features.
These species retained...
- (primitive tree-dwelling,
flying birds)
Euornithes (advanced
flying birds) †
Yanornithiformes (toothed
Cretaceous Chinese birds) †Hesperornithes (specialized aquatic...
- the
family containing this
group is Songlingornithidae. The
order Yanornithiformes has been
erected to mark
their distinctness from
other early Ornithurae...
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hongshanornithids were more
closely related to
songlingornithids (
yanornithiformes) than to
other early birds,
making them part of the same clade. Wang...
- tail feathers.
Yixianornis was
moderately sized compared to
other yanornithiformes, at
about the size of a chicken. IVPP V12631 was
measured approximately...
- †Songlingornithiformes [Aberratiodontiformes Gong, Hou & Wang 2004;
Yanornithiformes Zhou &
Zhang 2001;
Yixianornithiformes Zhou &
Zhang 2006] †Songlingornithidae...
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Dinosauria Clade:
Saurischia Clade:
Theropoda Clade:
Avialae Clade: †
Yanornithiformes Family: †Songlingornithidae Hou, 1997 Type
species †Songlingornis linghensis...
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Formation China An
Ornithuromorphae Chiappe, Ji, Ji et Norell, 1999,
Yanornithiformes Zhou et Zhang, 2001,
Yanornithidae Zhou et Zhang, 2001
Yumenornis huangi...
-
Formation China An
Ornithuromorphae Chiappe, Ji, Ji et Norell, 1999,
Yanornithiformes Zhou et Zhang, 2001,
Yanornithidae Zhou et Zhang, 2001. The type species...
