- In phylogenetics, an
apomorphy (or
derived trait) is a
novel character or
character state that has
evolved from its
ancestral form (or plesiomorphy)....
-
distinguish the
clade from
other clades. Plesiomorphy, symplesiomorphy,
apomorphy, and
synapomorphy all mean a
trait shared between species because they...
- trackways.
Defining tetrapods based on one or two
apomorphies can
present a
problem if
these apomorphies were
acquired by more than one
lineage through convergent...
-
family or in
general any clade). It can
therefore be
considered as an
apomorphy in
relation to a
single taxon. The word autapomorphy,
introduced in 1950...
-
magazine on
urbanism Dérive, a
psychogeographical concept Derived trait, or
apomorphy All
pages with
titles containing Derive Derivation (disambiguation) Derivative...
- ("lower") and
vascular ("higher") plants). The
terms "plesiomorphy" and "
apomorphy" are
typically used in the
technical literature: for example, when a plesiomorphic...
-
birds than to Deinonychus.
Avialae is also
occasionally defined as an
apomorphy-based
clade (that is, one
based on
physical characteristics). Jacques...
-
defined as an
apomorphy-based
taxon based on the
presence of a "crocodile-normal"
ankle joint (considered to be the
defining apomorphy of the clade)....
- unambiguous.
Possible exceptions occur for
apomorphy-based definitions, when
optimization of the
defining apomorphy is ambiguous.
Phylogenetic nomenclature...
- the
group based on the
characteristics of the hand and
wrist alone (an
apomorphy-based definition), and
included the long, thin fingers, bowed, wing-like...