- vertebrates). The
subphylum was at one time
called Urochordata, and the term
urochordates is
still sometimes used for
these animals.
Despite their simple appearance...
-
genetic studies of
these pharyngeal structures between hemichordates and
urochordates have
brought about important insights regarding the
evolution of the...
-
eliminated some
older ideas, but
opened up the
possibility that
tunicates (
urochordates) are "basal deuterostomes",
surviving members of the
group from which...
- Echinoderms, hemichordates, cephalochordates,
urochordates Vertebrates...
- Echinoderms, hemichordates, cephalochordates,
urochordates Vertebrates...
- In 1877, Ray
Lankester grouped the Craniates, cephalochordates, and "
Urochordates (tunicates) as "Vertebrata". In 1880–1881,
Francis Maitland Balfour placed...
-
filaments that have been
found only in
chordates (vertebrates, amphioxi,
urochordates).
Nematodes and many
other non-chordate
animals seem to have only type...
-
swimming tadpole larvae,
which are the
common larval stage for
other urochordates.
Pyrosomes are ovoviviparous,
meaning the eggs
develop inside the "mother"...
-
include cnidarians, ctenop****s, chaetognaths, molluscs, arthropods,
urochordates, and
annelids such as polychaetes. Many
larger animals begin their life...
-
plant CesA superfamily, or ten in the
combined plant-algal superfamily.
Urochordates are the only
group of
animals possessing this enzyme,
having acquired...
