-
protected by a
calcareous or
chitinous lidlike structure, an operculum.
Cheilostomes possess avicularia,
which have
modified the
operculum into a
range of...
- a substrate. A few
forms such as
Cristatella can move.
Lunulitiform cheilostomes are one
group of free-living
bryozoans with
mobile colonies. They form...
- O'Deaa,
Aaron (October 2000). "Intracolony
variation in
zooid size in
cheilostome bryozoans as a new
technique for
investigating palaeoseasonality". Palaeogeography...
- Ma
First blood-sucking
insects (ceratopogonids),
rudist bivalves, and
cheilostome bryozoans. Archaeopteryx, a
possible ancestor to the birds,
appears in...
-
encounters for
space with
cheilostome bryozoans.
Tentacle size and
number tend to be
smaller in
species of
cyclostomes than
cheilostomes. As a result, cyclostomes...
- tentacles) by
muscles pulling the
frontal membrane inwards (non-ascophoran
cheilostomes do not need this
structure as
their frontal wall is not
calcified and...
-
housed in the
zooidal exoskeleton,
which in
cyclostomes is
tubular and in
cheilostomes is box-shaped.
Polypides can
undergo cycles of
regression and regeneration...
-
Andrei N. Ostrovsky, for his
studies on the
reproductive structures of
cheilostomes. The
species epithet refers to
three apices on the
heterozooecium located...
-
extinction during the end-Cretaceous m**** extinction,
while ctenostome and
cheilostome bryozoans in the
class Gymnolaemata diversified around the same time...
-
inhabits freshwater. They are
distinguished from
their close relatives, the
cheilostomes, by
their lack of a
calcified exoskeleton. Instead, the
exoskeleton is...
