- non-alvarezsaurid
alvarezsauroids is
based on
differences in
their morphology,
especially in
their hand morphology. The
first fossil alvarezsauroids were recognized...
-
weighing 500 g (18 oz). Its
femur length is 7
centimetres (2.8 in).
Alvarezsauroids are
known for
their short forelimbs, each with a
single greatly enlarged...
- for a
smaller clade,
excluding ornithomimosaurs,
compsognathids and
alvarezsauroids.
Within Coelurosauria exists a
slightly less
inclusive clade named...
- S2CID 247222017. ****, G. J.; Naish, D. (2011). "What
about European alvarezsauroids?".
Proceedings of the
National Academy of Sciences. 108 (22): E147...
- from the formation,
including several other non-avian
theropods (the
alvarezsauroids Alvarezsaurus and Achillesaurus, the
abelisaurs Velocisaurus, Viavenator...
-
Prior to the
discovery of Haplocheirus, the
phylogenetic placement of
alvarezsauroids was uncertain. Some
authors believed them to be the
sister group to...
-
Choiniere and
colleagues in 2010, who
described the
first non-alvarezsaurid
alvarezsauroid, Haplocheirus. Some
authors have used the name
Mononykinae for the sub-group...
-
abelisaurid Ekrixinatosaurus, the
dromaeosaurid Buitreraptor, and the
alvarezsauroid Alnashetri.
Other reptiles include the
crocodyliform Araripesuchus,...
- than in Mononykini, but also
resembles the
condition seen in
basal alvarezsauroids such as Haplocheirus. As in
Mononykus and Patagonykus, both the prespinal...
-
three long
fingers with
short claws.
Originally described as a
basal alvarezsauroid but
similarities have been
noted with
other coelurosaurs Harenadraco...