Harman Patil (Editor)

Burykhia

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Kingdom  Animalia
Subphylum  Tunicata
Family  †Ausiidae
Rank  Genus
Phylum  Chordata
Class  Ascidiacea (?)
Species  †B. hunti
Burykhia httpsuploadwikimediaorgwikipediacommonsthu
Similar  Yarnemia, Ausia, Phlebobranchia, Aplousobranchia, Stolidobranchia

Burykhia hunti is a Precambrian fossil from the White Sea region of Russia dating to 555 million years ago. It is considered of ascidian affinity, due to the sac-like morphology and a series of distinctly perforated bands reminiscent of a tunicate pharynx. If B. hunti is a tunicate, it could be the oldest ascidian fossil known as of its publication in 2012. It is possibly related to the slightly younger Ausia, another putative ascidian from the Vendian biota in Namibia. In the case of Burykhia, the narrow longitudinal vessels support affinity with the suborder Phlebobranchia.

Burykhia does not appear to have been colonial.

References

Burykhia Wikipedia


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