- 394 in) in diameter, and
about 4
millimetres (0.16 in) thick. It has
adambulacral spines which are
spines that
project radially from the
margin of the...
- 2=superomarginal plate, 3=inferomarginal plate, 4=ambulacral plates, 5=
adambulacral plate Ossicles of an
Astropecten aranciacus Armtip of an Astropecten...
- pits on the abactinal, marginal, or
actinal surface, and/or
within the
adambulacral plate adjacent to the tube foot furrow. Forci****te sea star are so called...
-
colour is dark orange, red or purplish.
There are few
spines in the
adambulacral areas, and
those there are
regularly arranged,
helping to distinguish...
- carinals, abactinals,
marginals (only one row),
actinals (several rows),
adambulacral, and ambulacrals.
These ossicles can have
spines and
facets to help with...
- Armathyrasterinae, were
proposed based primarily on the
arrangement of the
adambulacrals (ossicles
lying along the
ambulacral grooves) in 1978. Schuchert, Charles...
-
inferomarginals each
bearing a
slender spine; in the
greater prominence of the
adambulacral plates which are
placed on the same
level with the
inferomarginals (and...
