-
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...
- analyses, as
phenetic methods do not
distinguish shared ancestral (or
plesiomorphic)
traits from
shared derived (or apomorphic) traits. However, certain...
- Multituberculates. It is
based on a
portion of snout. "Glirodon
retains the
plesiomorphic 'plagiaulacidan' ("Plagiaulacida")
dental formula and
shares with Allodontidae...
- Other, more technical,
terms for
these two conditions—for example, "
plesiomorphic" and "synapomorphic"—are
frequently encountered; see the
table below...
-
hands of
Miocene apes,
suggest that
human hand
proportions are
largely plesiomorphic (as
found in
ancestral species) — in
contrast to the
derived elongated...
-
symmetric (unlike
their larvae), and
certain parasitic worms have
extremely plesiomorphic body structures. The
hypothetical most
recent common ancestor of all...
-
wastebin taxon for
smaller chameleons from sub-Saharan
Africa with
plesiomorphic hemi****es. Alternatively, many of the
present species were reduced...
- Riversleigh. It is the only
member of the
genus Marada. It
exhibits plesiomorphic and
apomorphic features making the
determination of its
taxonomic placement...
-
called "Hydroida", but this
group is
apparently paraphyletic,
united by
plesiomorphic (ancestral) traits.
Other such
orders were the Anthoathecatae, Actinulidae...
