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Therizinosaur
Therizinosaurs
(or
segnosaurs
) were
theropod
dinosaurs
belonging to the
clade
Therizinosauria
. Therizinosaur
fossils
have been found in Early through Late
Cretaceous
deposits in
Mongolia
, the
People's Republic of China
and western
North America
. Various features of the forelimbs, skull and pelvis unite these finds as both
theropods
and as
maniraptorans
, close relatives to
birds
.
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