- Sea
daisies (infraclass
Concentricycloidea;
order Peripodida) make up an
unusual group of deep-sea taxa
belonging to the
phylum Echinodermata, with three...
-
asterozoans with
unclear relationships to
extant classes). A
fifth class,
Concentricycloidea, was
proposed for the
unusual genus Xyloplax (sea daisies), but was...
-
Phylogenetic data
suggests that they may be a
sister group, the
Concentricycloidea, to the Neoasteroidea, or that the
Velatida themselves may be a sister...
- Spencer, 1951
Stenuroidea Spencer, 1951
Coronoidea Brett et al., 1983
Concentricycloidea Baker, Rowe & Clark, 1986
There are also
several common alternative...
- (Spring 2006). "A new
species of
Xyloplax (Echinodermata: Asteroidea:
Concentricycloidea) from the
northeast Pacific:
comparative morphology and a re****essment...
- (Ophioleucida)
Ophiomyces frutectosus (Ophioscolecida)
Infraclass Concentricycloidea Peripodida Superorder Forci****tacea
Brisingida Forci****tida Superorder...
- Asteroidea, as to
warrant it
being placed in a new
class of its own, the
Concentricycloidea. The main
difference was that the
water vascular system of asteroids...
- L. (2006). "A new
species of
Xyloplax (Echinodermata: Asteroidea:
Concentricycloidea) from the
northeast Pacific:
comparative morphology and a re****essment...
-
Paxillosida Order Spinulosida Order Valvatida Order Velatida class Concentricycloidea Order Peripodida class Ophiuroidea Order Euryalida Order Oegophiurida...
-
Spinulosida Order Forci****tida ”Sea daisies” (previously the
class Concentricycloidea, but ****igned by many
authorities to the Spinulosida)
class Ophiuroidea...
