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Appalachiosaurus (/ˌæpəˌleɪtʃioʊˈsɔːrəs/ AP-ə-LAY-chee-oh-SOR-əs; "Appalachian lizard") is a
genus of
tyrannosaurian theropod dinosaur from the Late Cretaceous...
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immature Eotyrannus was over 4
meters (13 feet) in length, and a
subadult Appalachiosaurus was
estimated at more than 6
meters (20 feet) long,
indicating that...
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America until the
discovery of the
basal tyrannosauroid Appalachiosaurus in 2005.
Appalachiosaurus,
which is
known from more
complete remains, is similar...
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Daspletosaurus and Tarbosaurus, as well as the more
basal tyrannosauroid Appalachiosaurus. The
snout and
other parts of the
skull also
sported numerous foramina...
- have been described,
although other undescribed species may exist.
Appalachiosaurus was
described as a
basal tyrannosauroid just
outside Tyrannosauridae...
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including the world's fourth-largest
collection of mosasaurs; the
Appalachiosaurus (similar to Tyrannosaurus); and the
state fossil of Alabama, the Basilosaurus...
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recovered from the formation.
Dinosaurs known from the formation:
Appalachiosaurus montgomeriensis Saurornitholestes langstoni Hadrosauridae indet. Ornithomimosauria...
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rather than a tyrannosaurine,
diverging later than
Dryptosaurus and
Appalachiosaurus.
These results are displa**** in the
cladogram below: In 2024, Rivera-Sylva...
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Appalachiosaurus Tyrannosauridae...
- Albertosaurus, Gorgosaurus, Daspletosaurus, Teratophoneus, Bistahieversor, and
Appalachiosaurus, and the
dromaeosaurids Dromaeosaurus, Saurornitholestes, Atrociraptor...
