- in the
course of ontogeny, and in the
adult stages ****insonia-like
proarticulates changed so
radically that they
became almost indistinguishable from...
-
extinction of the
Ediacaran biota.
Before the end of the
Ediacaran period,
proarticulates and
trilobozoans would have
already become extinct; and the last vendobionts...
- part
closed is
present in
another branch of bilaterians, the
extinct proarticulates. This and the
amphistomic development (when both
mouth and **** develop...
- who
found the
first specimen. The body plan of the
Yorgia and
other proarticulates is
unusual for
solitary (non-colonial) metazoans.
These bilateral organisms...
-
Podolimirus is an
extinct monotypic genus of
unclassified proarticulates. It
presents a
single species,
Podolimirus mirus. It was
found in
strata of the...
-
Karakhtia nessovi is a
species of
Proarticulate from the
Ediacaran period,
around 555
Million Years Ago. K.
nessovi is the only
species in the
genus Karakhtia...
-
Armillifera parva is a
species of
Ediacaran proarticulate first described by
Mikhail Fedonkin in 1980. Its
fossils were
discovered in the
White Sea area...
-
Dipleurozoa (or ****insoniomorpha) are
extinct proarticulate organisms of the
Ediacaran period,
which had a flat and more or less
ovoid shape. Polychaete...
-
anthozoans (from
which jellyfish, placozoans, nephrozoans, and
perhaps proarticulate are derived), in turn
derived from an
ancestral organization shared...
-
Ivovicia is an
extinct genus of
proarticulates. This
monotypic genus has only one species:
Ivovicia rugulosa.The
genus is
named after the
Ivovik cr****...
