-
species may
possess two- or four-pointed ****ules.
Unlike other sponges,
calcareans lack microscleres, tiny ****ules
which reinforce the flesh. In addition...
-
years to
reach adult size and
could only be
harvested by
smashing the
calcarean rocks that form its habitat) and the
Italian government has
declared it...
-
whose symmetry historically suggested a
relationship with the
triradial calcarean sponges. The sponge-like
Cambrian Hetairacyathidae may be
related to heteractinids...
-
Radovan Borojevic for "his
substantial and
pioneering achievements in
calcarean taxonomy". It is
found in
Queensland coastal waters,
where it
occurs in...
- classes' ****ules are siliceous. Some
lineages among demosponges and a few
calcareans have m****ive
calcium carbonate basal skeletons, the so-called coralline...
- 000 or so
species of
Porifera that exist, only 400 of
those are
calcareans.
Calcarean sponges first appeared during the Cambrian, and
their diversity...
- Fernanda; Pleše, Bruna; Nikolić, Vedran; Ćetković,
Helena (2016). "Adriatic
calcarean sponges (Porifera, Calcarea), with the
description of six new species...
