- In phylogenetics, a
plesiomorphy ("near form") and
symplesiomorphy are
synonyms for an
ancestral character shared by all
members of a clade,
which does...
-
character or
character state that has
evolved from its
ancestral form (or
plesiomorphy). A
synapomorphy is an
apomorphy shared by two or more taxa and is therefore...
- in
different groups (homoplasies) or
those left over from
ancestors (
plesiomorphies) – and
derived characters,
which have been p****ed down from innovations...
- used to
identify shared or
distinct character states among groups: A
plesiomorphy ("close form") or
ancestral state is a
character state that a
taxon has...
- in non-vascular ("lower") and
vascular ("higher") plants). The
terms "
plesiomorphy" and "apomorphy" are
typically used in the
technical literature: for...
- all of the
classes mentioned in
accompanying text.
Pentaradiality as a
plesiomorphy Supporters of
pentaradiality as an
initial condition of the
phylum note...
-
through a
measure of
overall similarity,
making no
distinction between plesiomorphies (shared
ancestral traits) and
apomorphies (derived traits). From the...
- Gardiner, and C. Patterson. 1981. Lungfishes, tetrapods, paleontology, and
plesiomorphy. Bull. Am. Mus. Nat. Hist. 167(4): 159-276. Schultze, H. P., and J. Chorn...
-
phylogenetic relationships. However, autapomorphy, like
synapomorphy and
plesiomorphy is a
relative concept depending on the
taxon in question. An autapomorphy...
-
shared between Hallucigenia and
onychophorans represent panarthropod plesiomorphy.
Hallucigenia also
exhibits certain characters inherited from the ancestral...
