-
megascleres or macroscleres,
while smaller,
microscopic ones are
termed microscleres. The composition, size, and
shape of ****ules are
major characters in...
- two- or four-pointed ****ules.
Unlike other sponges,
calcareans lack
microscleres, tiny ****ules
which reinforce the flesh. In addition,
their ****ules...
- Hemidiscosa.
Hemidiscosans are
differentiated by the form of
their microscleres.
Their microscleres, more
precisely known as hemidiscs, have the form of a rod...
- name implies, the
Amphidiscosida are
characterized by a
special type of
microsclere (microscopic ****ules): amphidiscs.
Amphidiscs are rod-like ****ules...
-
Geodia barretti is a m****ive deep-sea
sponge species found in the
boreal waters of the
North Atlantic Ocean, and is
fairly common on the
coasts of Norway...
-
Geodia megastrella is a
species of
sponge in the
family Geodiidae. It is a type of
demosponge found in the deep
temperate waters of the
North Atlantic...
- together.
Siliceous ****ules come in two
sizes called megascleres and
microscleres. Most
studies support the
monophyly of
siliceous sponges. The group,...
- addition, they can be
characterized by the
presence of hexasters, a type of
microsclere (microscopic ****ules) with six rays
unfurling into multi-branched structures...
- (Hymedesmia) for
species with
microscleres,
usually chelae, and
Hymedesmia (Stylopus) for
species lacking microscleres and
having only
acanthostyles and...
-
about 25
recognised families. They are
characterised by
having chelae microscleres, that is, the
minute ****ules
scattered through the tissues, usually...