- The
petalonamids (
Petalonamae) are an
extinct group of
archaic animals typical of the
Ediacaran biota, also
called frondomorphs,
dating from approximately...
-
gonads have been recognized. The
first to
appear were
frondomorphs (
Petalonamae) and
simple medusoids 578 Ma (millions of years) ago and are considered...
- waters. The
forms that can be
found across the
formation are the
familiar Petalonamae such as Charniodiscus,
including juvenile petalonamids from the Lower...
- The
Beacon Hill
Formation is a
geologic formation in Leicestershire, and lies
within the
wider Beacon Hill area. It
preserves fossils dating back to the...
- The Trep****ey
Formation is a
geologic formation that
crops out in Newfoundland,
which consists of gray
sandstones and
tuffaceous rocks. It
preserves fossils...
- creature, more
recent studies have seen it
placed within the
phylum Petalonamae.
Bomakellia kelleri is the only species. The holotype, and only, fossil...
- The
Bradgate Formation is a
geologic formation in Leicestershire, and lies
within the
wider Bradgate Park area. It
preserves fossils dating back to the...
- Charnia. A 2020
study suggested that it
should be
placed in the
group Petalonamae along with
similar Ediacaran forms.
Forms related to
Charnia were once...
- The
Mistaken Point Formation is a
geologic formation in
Newfoundland and Labrador. It is
recognized as a Lagerstätte
preserving fossils dating back to...
-
affinities with
other forms is unknown,
although possibly related to the
Petalonamae, like Charnia.
Yilingia Y. ****iformis
Bilterian animal of
unknown affinities...
