-
Cephalozoa are an
extinct class of
primitive segmented marine organisms within the
Phylum Proarticulata from the
Ediacaran period. They
possessed bilateral...
- †Dipleurozoa
Harrington & Moore, 1955 †****insoniidae
Harrington & Moore, 1955 †
Cephalozoa Ivantsov. 2004 †Sprigginidae Glaessner, 1958 †Yorgiidae Ivantsov, 2001...
-
Sprigginidae is an
extinct family of the
class Cephalozoa,
characterized by
having a
greater number of
isomers than its
sister taxon, Yorgiidae. They lived...
-
Isomer (Gr**** isos = "equal", méros = "part") is an
element of
transverse body
articulation of the
bilateral fossil animals of the
Phylum Proarticulata...
- Spriggina, a
proarticulate of the
group Cephalozoa....
-
Yorgiidae is an
extinct family of the
class Cephalozoa,
which is a part of the
wider phylum Proarticulata. They
lived from
around 571 to 551 Ma. Like other...
-
Archaeaspinus belongs to the
phylum Proarticulata.
Within that, its
class is
Cephalozoa and
family Yorgiidae.
Until 2004
Cephalozoans were
categorized within...
-
Andiva ivantsovi is a
Vendian fossil,
identified to be a
bilaterian triploblastic animal in the
Ediacaran phylum Proarticulata,
known from the
Winter Coast...
-
juvenile forms of Yorgia, and
finally ****igned them
within the
class Cephalozoa,
although outside of the
family Yorgiidae as
close relatives of Yorgia...
-
classification Domain:
Eukaryota Kingdom:
Animalia Phylum: †Proarticulata class: †
Cephalozoa Family: †Yorgiidae (?) Genus: †Praecambridium
Glaessner & Wade, 1966 Species:...
