- The
petalonamids (Petalonamae) are an
extinct group of
archaic animals typical of the
Ediacaran biota, also
called frondomorphs,
dating from approximately...
-
Arborea is a
genus of
Petalonamid that was
originally considered as
being synonymous with Charniodiscus. It
consisted of a frond-like body 3–4 inches...
- form taxa are
thought to
represent Charnia,
Charniodiscus and
other Petalonamids at
varying levels of decay;
these include the
Ivesheadiomorphs Ivesheadia...
-
Jennifer F.; Han, Jian (November 2018). Álvaro,
Javier (ed.). "Cambrian
petalonamid Stromatoveris phylogenetically links Ediacaran biota to
later animals"...
- The
largest prehistoric animals include both
vertebrate and
invertebrate species. Many of them are
described below,
along with
their typical range of size...
- S2CID 130602154.
Hoyal Cuthill,
Jennifer H.; Han, Jian (2018). "Cambrian
petalonamid Stromatoveris phylogenetically links Ediacaran biota to
later animals"...
- Medusoids,
although recent research suggests that they were
holdfasts of
Petalonamids. A cast of Charnia, the
first accepted complex Precambrian organism....
- fordi, also
described as dumbbells, is an
extinct species of
Ediacaran petalonamid whose fossils were
found in the
Charnwood Forest of Leicestershire, England...
-
August 2018.
Hoyal Cuthill,
Jennifer H.; Han, Jian (2018). "Cambrian
petalonamid Stromatoveris phylogenetically links Ediacaran biota to
later animals"...
- it
being a pseudo-fossil or a
structure caused by the
Holdfast of a
Petalonamid being pulled out by the currents.
Pseudorhizostomites tends to occur...
