- An
internal node of a
phylogenetic tree is
described as a
polytomy or
multifurcation if (i) it is in a
rooted tree and is
linked to
three or more child...
- hard
polytomy of nine
clades as the base of Neoaves. An
analysis by
Houde and
colleagues in 2019
recovered Columbea and a
reduced hard
polytomy of six...
- The
first placed it in a
polytomy including Neovenator and
other megaraptorans,
while the
second placed it in a
polytomy including other basal carcharodontosaurians;...
- most
trees including Pyroraptor, this
caused a
polytomy as seen in the
cladogram below. This
polytomy was also
repeated in a
phylogeny of Archaeopteryx...
-
William R.; Mouton, P. Le Fras N. (2011). "Between a rock and a hard
polytomy:
Rapid radiation in the
rupicolous girdled lizards (Squamata: Cordylidae)"...
- the
position of
Emballonuroidea and the
relationships between Rhinolophidae, Hipposideridae, and Rhinonycteridae,
which are
represented as
polytomies....
-
however in one
analysis the nautiloids,
octopus and
teuthids plot as a
polytomy. Some
molecular phylogenies do not
recover the
mineralized coleoids (Spirula...
- of the
group is disputed. A 2009
study found them to be an
unresolved polytomy at the base of Neodiapsida,
while a 2011
study recovered the
group as paraphyletic...
-
attempt to
place them in a
phylogenetic analysis recovered them as part of a
polytomy with megacheirans, marrellomorphs,
crustaceans and artiopodans. Still,...
-
William R.; Mouton, P. Le Fras N. (2011). "Between a rock and a hard
polytomy:
Rapid radiation in the
rupicolous girdled lizards (Squamata: Cordylidae)"...
