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Edrioasteroidea is an
extinct class of echinoderms. The
living animal would have
resembled a
pentamerously symmetrical disc or cushion. They were obligate...
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Streptaster vorticellatus (
Edrioasteroidea)...
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placed as the
sister to all
other echinoderms.
Helicoplacoidea and
Edrioasteroidea join it in the stem group. Pelmatozoa, Eocrinoidea, and
Cystoidea are...
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common to all echinoderms. The
ambulacrum is
similar to that of the
Edrioasteroidea; as a result,
Helicoplacus may
belong to Pelmatozoa.
Other contemporaneous...
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pentamerous symmetry, some
claim that it can be
further classified into the
Edrioasteroidea, a
class of the echinoderms.[citation needed] This
identification remains...
-
anatomical parts of the
phylum Echinodermata or
class Asteroidea and
Edrioasteroidea.
Echinoderms can have
ambulacral parts that
include ossicles, plates...
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Rhenopyrgus is an
extinct echinoderm in the
class Edrioasteroidea,
which existed during the
Devonian in what is now
France and Germany, the Ordovician...
- the
extinct (and
possibly paraphyletic) Ophiocistioidea. However,
Edrioasteroidea was also
included in this
version of Eleutherozoa.
While this initially...
- lyre.
Walcottidiscus Edrioasteroidea Walcott Quarry This
echinoderm is one of the
earliest confirmed members of the
edrioasteroidea, a
grouping of pentagonally...
-
echinoderms in the
class Edrioasteroidea.
Phylogenetic implications of
ontogenetic development in the
class Edrioasteroidea (Echinodermata). BM Bell,...
