- 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...
- (bilaterians with
simple articulation, e.g. ****insonia and Spriggina),
Petalonamae (sea pen-like animals, e.g. Charnia),
Aspidella (radial-shaped animals...
-
Subdivisions Ctenophora †Chancelloriida †Trilobozoa †Proarticulata †
Petalonamae ParaHoxozoa Placozoa Planulozoa Cnidaria Bilateria Synonyms Enterozoa...
-
Straight swimmer Parasitic, microscopic, simple,
wormlike organisms 20
Petalonamae Shaped like
leaves An
extinct phylum from the Ediacaran. They are bottom-dwelling...
-
Scientific classification Domain:
Eukaryota Kingdom:
Animalia Phylum: †
Petalonamae Family: †Charniidae Genus: †Charnia Ford, 1958 Species: †C. masoni Binomial...
-
Scientific classification Domain:
Eukaryota Kingdom:
Animalia Phylum: †
Petalonamae class: †Erniettomorpha Genus: †Swartpuntia Species: †S. germsi Binomial...
- The
largest prehistoric animals include both
vertebrate and
invertebrate species. Many of them are
described below,
along with
their typical range of size...
-
Scientific classification Domain:
Eukaryota Kingdom:
Animalia Phylum: †
Petalonamae class: †Erniettomorpha Genus: †Pteridinium Gürich, 1930
Species P. simplex...
-
Scientific classification Domain:
Eukaryota Kingdom:
Animalia Phylum: †
Petalonamae Family: †Charniidae Genus: †Bomakellia Fedonkin, 1990 Species: †B. kelleri...
