- branchiae.
Sabellids build tubes out of a tough, parchment-like exudate,
strengthened with sand and bits of s****.
Unlike the
other sabellids, the genus...
-
mollusks such as
marine snails and cephalopods, and some
annelids like
sabellid polychaetes. The most
studied cartilage in
arthropods is the branchial...
- This
sabellid tubeworm is budding...
- in the
class Polychaeta. The
members of this
family differ from
other sabellid tube
worms in that they have a
specialized operculum that
blocks the entrance...
-
Encrusting cyclostome bryozoans (B), the one on the
right showing swollen gonozooids; T =
thecideide brachiopod and S =
sabellid worm tube; Jur****ic of Poland....
- them secrete. Most
important biomineralising polychaetes are serpulids,
sabellids, and cirratulids.
Polychaete cuticle does have some
preservation potential;...
-
known errantian annelid.
Tubular fossils which might belong to
early sabellids are
described from the
Upper Permian deposits in
southern China by Słowiński...
- for the
animal to have two opercula. Both
serpulid and
sabellid worms have radioles, but
sabellids (such as
Sabella pavonina) lack an operculum. A single...
-
species secrete calcareous opercula. Some
sabellids and
cirratulids can
secrete aragonitic tubes.
Sabellid and
cirratulid tubes have a
spherulitic prismatic...
-
uniform orange, red, mauve, tan, brown, grey, or
green in color.
Among sabellids of the
Pacific Northwest, S.
insignis is
unique in that all
radioles are...
