- An
internal node of a
phylogenetic tree is
described as a
polytomy /pəˈlɪtəmi/ or
multifurcation if (i) it is in a
rooted tree and is
linked to
three or...
-
propose a hard
polytomy of nine
clades as the base of Neoaves. An
analysis by
Houde et al. (2019)
recovered Columbea and a
reduced hard
polytomy of six clades...
-
however in one
analysis the nautiloids,
octopus and
teuthids plot as a
polytomy. Some
molecular phylogenies do not
recover the
mineralized coleoids (Spirula...
- entomophagous, entomophilous, epitome, monatomic, pentatomic, polyatomic,
polytomy, Temnospondyli, tmesis, tome, tomogram, tomography, trichotomous, trichotomy...
- louisae was the most
basal species,
followed by FMNH P25112, and then a
polytomy of A. ajax, A. parvus, and A. excelsus.
Their analysis was
revised and...
-
William R.; Mouton, P. Le Fras N. (2011). "Between a rock and a hard
polytomy:
Rapid radiation in the
rupicolous girdled lizards (Squamata: Cordylidae)"...
-
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
first placed it in a
polytomy including Neovenator and
other megaraptorans,
while the
second placed it in a
polytomy including other basal carcharodontosaurians;...
- well
supported clade.
Seven species endemic to the
Canary Islands form a
polytomy,
resolved differently in
different analyses, in
which subtaxa of some species...
-
phylogenetic analysis of
Otero et al., 2015
found Sauropodomorpha to be in a
polytomy with
Agnosphitys and
Theropoda within Eusaurischia, with Herrerasauridae...