''Paravendia'' is an extinct
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
proarticulate vendiamorph that lived in the
Ediacaran
The Ediacaran ( ) is a geological period of the Neoproterozoic geologic era, Era that spans 96 million years from the end of the Cryogenian Period at 635 Million years ago, Mya to the beginning of the Cambrian Period at 538.8 Mya. It is the last ...
period, about 553 million years ago. It shares the
Vendiidae
Vendiamorpha
is a class of extinct animals within the Ediacaran phylum Proarticulata.
The typical vendiamorph had an oval-shaped or round-shaped body divided completely into segmented isomers, that were arranged alternately in two rows with r ...
family with ''
Vendia
''Vendia'' is an extinct vendiamorph from the late Ediacaran, estimated to be around 567 - 550 Ma years old, it contains two species, ''V. sokolovi'' and ''V. rachiata'', both of which are restricted to the Ust' Pinega Formation in Northwestern ...
'' and ''
Karakhtia
''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''. The genus '' Haootia'' has been compared minorly to ''Karakhtia'' in the way ...
''. It is a monotypic genus, with the species ''Paravendia janae''.
Description
It is an animal that presents 'bilateral' symmetry, similar in appearance to the previously mentioned genus '' Vendia '', with new isomers replacing the older ones.
Distribution
Ediacaran of the Russian Federation (
Arkhangelsk
Arkhangelsk (, ) is a types of inhabited localities in Russia, city and the administrative center of Arkhangelsk Oblast, Russia. It lies on both banks of the Northern Dvina near its mouth into the White Sea. The city spreads for over along the ...
).
See also
*
List of ediacaran genera
The existence of life, especially that of animals, before the Cambrian had long been the subject of debate in paleontology. The apparent suddenness of the Cambrian explosion had no firm explanation, and Charles Darwin himself recognized the chal ...
References
Notes
Zakrevskaya, Maria. Paleoecological reconstruction of the Ediacaran benthic macroscopic communities of the White Sea (Russia). Palaeogeography, Palaeoclimatology, Palaeoecology 15 September 2014.* Freeman, Gary. The rise of bilaterians. Historical Biology 2009 03
Vendiamorpha
Ediacaran life
Fossils of Russia
Prehistoric bilaterian genera
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