- disc shaped, with 3 or 4
radiating lobes,
being 2–5 cm in diameter. The
zooecia are
shaped as wide prisms.
Representatives of this
genus have been found...
- m****ive dome-shaped trepostomes.
Trepostomes did not have many
specialized zooecia beyond ordinary feeding autozooecia. The two main
known heteromorphs are...
- by
transverse septa,
situated between the
characteristically elongated zooecia of each
individual colony.
Acanthoceramoporellidae (Ordovician) Actinotrypidae...
-
groups of
three or four
larger zooecia slightly protruding out from the main
surface of the colony. In
cross section, the
zooecia (tubes
housing individual...
- had very
abundant mesopores; in the case of the
species P.
insularis its
zooecia (individual
tubes housing the zooids) were
isolated from each
other by...
-
colonies were solid, and its
autozooecia derived from
distinctive axial zooecia. "Cystomeson". WoRMS.
World Register of
Marine Species.
Retrieved 16 March...
-
hemispherical shapes, with flat
undersides and
rounded tops. In cross-section, the
zooecia (tubes
housing individual zooids) fan out from the
initial growth area...
- turbinate, horn-shaped, conical, or m****ive and hemispherical.
Individual zooecia take the form of long, thin-walled
polygonal tubes. It
lacks styles (acanthopores)...
