- A
chordate (/ˈkɔːrdeɪt/ KOR-dayt) is a
deuterostomal bilaterian animal belonging to the
phylum Chordata (/kɔːrˈdeɪtə/ kor-DAY-tə). All
chordates possess...
- The
Cambrian chordates are an
extinct group of
animals belonging to the
phylum Chordata that
lived during the Cambrian,
between 538 and 485
million years...
-
Chordate genomics is the
study of the
evolution of the
chordate clade based on a
comparison of the
genomes of
several species within the clade. The field...
-
hollow nerve cord of
chordates. Both the
hemichordates and the
chordates have a
thickening of the aorta,
homologous to the
chordate heart,
which contracts...
-
their close relationship to the
vertebrates is certain. Both
groups are
chordates, as
evidenced by the fact that
during their mobile larval stage, tunicates...
-
Emmonsaspis is a
Cambrian chordate, and its
fossils were
found in the Cambrian-age
Parker Slate of
Vermont in the late 19th century.
Emmonsaspis is described...
- notochord. It is a
paraphyletic grouping including all
animals excluding the
chordate subphylum Vertebrata, i.e. vertebrates. Well-known
phyla of invertebrates...
-
these characteristics with
other chordates.
Vertebrates are
distinguished from all
other animals,
including other chordates, by
multiple synapomorphies, namely...
-
anatomy is a
potential result of
speciation and
habitat variation. The five
chordate synapomorphies are
present in
chondrichthyes as follows. The five synapomorphies...
- with
various studies suggesting placements as a cephalochordate, a stem-
chordate, a hemichordate, a stem-vertebrate, a stem-deuterostome, an ambulacrarian...