''Ivovicia'' is an extinct
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
proarticulates. This
monotypic genus
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
has only one
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
: ''Ivovicia rugulosa''.
References
Notes
Budd, Graham E.; Jensen, Sören. The origin of the animals and a ‘Savannah’ hypothesis for early bilaterian evolution. Biological Reviews November 2015.Freeman, Gary. The rise of bilaterians. Historical Biology 2009 03.Sokolov, B.S.. The chronostratigraphic space of the lithosphere and the Vendian as a geohistorical subdivision of the Neoproterozoic. Russian Geology and Geophysics October 2011.Grazhdankin, Dmitriy. Patterns of Evolution of the Ediacaran Soft-Bodied Biota. Journal of Paleontology 2014 03.Retallack, Gregory J.. Ediacaran fossils in thin-section. Alcheringa: An Australasian Journal of Palaeontology 2016 10.
Proarticulata
Ediacaran life
Prehistoric bilaterian genera
{{ediacaran-stub