- all been
shown to
exhibit spiral cleavage in its
classical form.
Other spiralian phyla (rotifers, brachiopods, phoronids, gastrotrichs, and bryozoans)...
-
affiliation to
Lophotrochozoa of
spiralian groups not
mentioned directly in the
definition depends on the
topology of the
spiralian tree of life, and in some...
- many
members of the
lophotrochozoan taxa,
referred to as Spiralia. Most
spiralians undergo equal spiral cleavage,
although some
undergo unequal cleavage...
- The
Platytrochozoa are a
proposed basal clade of
spiralian animals as the
sister group of the Gnathifera. The
Platytrochozoa were
divided into the Rouphozoa...
-
their pattern of
developing by
spiral cleavage in the
early embryo.
Major spiralian phyla include the
annelids and molluscs. In the
classical era, Aristotle...
-
development is more varied.
Protostomia includes the
ecdysozoans and
spiralians, as well as the
extinct Kimberella.
Together with the Xenacoelomorpha...
- (ecdysozoa and deuterostomia),
research into the
processes that
govern spiralian development is
comparatively lacking. However, one
unifying feature shared...
- “jaw”, and the
Latin -fera, “bearing”) is a
clade of
generally small spiralians characterized by
complex jaws made of chitin. It
comprises the
phyla Gnathostomulida...
-
lineage of the polyplacophoran,
Chaetopleura apiculata:
variation in the
spiralian program and
implications for
molluscan evolution".
Developmental Biology...
- species,
Intoshia linei, has been sequenced.
These animals are
simplified spiralians. The
genome data
confirm earlier findings which allocated these organisms...
