-
about evolutionary clades and can be used to
define taxa. However,
plesiomorphic and
symplesiomorphic characteristics cannot. The term symplesiomorphy...
-
segments and
pairs of appendages.
Based on the
distribution of
shared plesiomorphic features in
extant and
fossil taxa, the last
common ancestor of all...
-
their bodies and do not go
through a
pupal stage. The
latter trait is
plesiomorphic, however, as it is
found also in
groups such as
Odonata (dragonflies...
- analyses, as
phenetic methods do not
distinguish shared ancestral (or
plesiomorphic)
traits from
shared derived (or apomorphic) traits. However, certain...
- Other, more technical,
terms for
these two conditions—for example, "
plesiomorphic" and "synapomorphic"—are
frequently encountered; see the
table below...
-
perhaps towards the
southwestern Pacific, as
inferred by the
number of
plesiomorphic lineages to
occur there.
Expansion into
Africa appears to have occurred...
-
symmetric (unlike
their larvae), and
certain parasitic worms have
extremely plesiomorphic body structures. The
hypothetical most
recent common ancestor of all...
- marsupium,
located in the
front of the mother's abdomen. This is the
plesiomorphic condition among viviparous mammals; the
presence of
epipubic bones in...
-
hands of
Miocene apes,
suggest that
human hand
proportions are
largely plesiomorphic (as
found in
ancestral species) — in
contrast to the
derived elongated...
-
called "Hydroida", but this
group is
apparently paraphyletic,
united by
plesiomorphic (ancestral) traits.
Other such
orders were the Anthoathecatae, Actinulidae...
