- species). Like C. coriacea, the ****ules are
exclusively three-pointed
triactines. This is a shallow-water
species found in the
Mediterranean and on Atlantic...
-
skeleton comprises equiangular and
equiradiate triactines and diactines. The
actines of the
triactines are conical,
slightly undulated and sharp. Diactines...
-
skeleton has no
special organisation, and it
comprises triactines,
tetractines and tripods.
Triactines and
tetractines are
equiangular and equiradiate; their...
-
skeleton is
formed of two
types of
triactines, of
different sizes, and
tetractines of the same size as the
shorter triactines. The ****ules are equiradiate...
- size-classes of
equiangular and
equiradiate triactines.
Actines are
conical and straight, with a
sharp tip. The
large triactines are
situated only in the external...
-
formed by
triactines only, as
stated by
Carter (1886) in the
original description,
although there are in fact
three different categories of
triactines, based...
- organisation,
comprising a thin
meshwork of
equiangular and
equiradiate triactines.
Actines are
straight and conical, with a
sharp distal tip. They are slightly...
-
regular (equiangular and equiradiant)
triactines and tetractines, but
parasagittal triactines may be present.
Triactines are the most
numerous ****ules. Aquiferous...
- The
skeleton comprises three kinds of ****ule:
triactines,
tetractines and tripods. The
triactines and
tetractines are
equiradiate and equiangular,...
-
skeleton has no
special organisation,
comprising equiangular and
equiradiate triactines.
Actines are conical, with
blunt tips,
never rounded.
Dendy described...
