''Inaria'' is an

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 ...

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserve ...

. It is found in the Chace Range in Australia, and the

White Sea The White Sea (; Karelian language, Karelian and ; ) is a southern inlet of the Barents Sea located on the northwest coast of Russia. It is surrounded by Karelia to the west, the Kola Peninsula to the north, and the Kanin Peninsula to the nort ...

area in Russia. It has radial symmetry and has been described as a tentacle-less

cnidarian Cnidaria ( ) is a phylum under kingdom Animalia containing over 11,000 species of aquatic invertebrates found both in fresh water, freshwater and marine environments (predominantly the latter), including jellyfish, hydroid (zoology), hydroids, ...

. The organism had a sac-like body that resembled a cluster of garlic or conical flask in shape, with a broad bulbous base embedded in the mud, and a tube extending above the sea floor. The body cavity of ''Inaria'' was a single chamber with the inner surface of the body wall forming deep invaginations that partitioned the cavernous stomach into several septa. In its deep environment it seems that it was the only species. ''Inaria'' was found in lower shoreface muds.

Australia Post Australia Post, formally the Australian Postal Corporation and also known as AusPost, is an Australian Government-State-owned enterprise, owned corporation that provides postal services throughout Australia. Australia Post's head office is loca ...

issued a 50 cent stamp featuring ''Inaria'' on 21 April 2005 in a series entitled Creatures of the slime. One species known as ''Inaria karli'' was named by Jim Gehling in 1987. He published in ''A Cnidarian of Actinian-Grade from the Ediacaran Pound Subgroup of South Australia''. Alcheringa 12: 299-314.

References

* D. Grazhdankin (2000) ''The Ediacaran genus Inaria : a taphonomic/morphodynamic analysis''. Neues Jb. Geol. Paläont. Abh. 216: 1-34. * McMenamin, Mark A. S. The Garden of Ediacara New York: Columbia University Press, 1998.

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stamp artist

Patterns of Distribution
{{Taxonbar, from=Q2317969 Ediacaran life Enigmatic prehistoric animal genera White Sea fossils Fossil taxa described in 1988

See also

References

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