Annulatubus | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia (?) |
Genus: | † Annulatubus |
Species: | †A. flexuosus
|
Binomial name | |
†Annulatubus flexuosus |
Annulatubus is a genus of the Ediacaran biota (635–542 Ma) found in Northwest Canada, and Northern Siberia. It has been found in both shallow water and deep-water assemblages no older than 560 Ma placing it within the youngest Ediacaran.
Annulatubus, meaning ringed tube, possesses a long tube-like structure with uniformly spaced ridges. At lengths between 178mm, and 250mm, and widths between 15mm and 50mm it is significantly larger than most other tube-like fossils of the Ediacaran.
It is described as having a similar ringed tube structure to Sekwitibulus but differs in size and ridge shape. It is unknown if Annulatubus possessed a holdfast like other similar Ediacarans. [1]
The only known species within the genus is Annulatubus flexuosus. [1]
Annulatubus flexuosus was discovered in the Blueflower formation from the Mackenzie Mountains of Northwest Canada. [1] In 2008 a similar Ediacaran was discovered from the late Ediacaran Khatyspyt formation of Northern Siberia by Dmitriy V. Grazhdankin, Uwe Balthasar, Konstantin E. Nagovitsin, and Boris B. Kochnev. Carbone et al. [2] recognized the specimen that Grazhdankin et al. described as belonging to the Annulatubus genus but not enough material exists to recognize it as A. flexuosus or a new species.
Annulatubus has been found in the sandstone beds of the Blueflower Formation in Northwest Canada and within the mudstones of the Khatyspyt Formation of Northern Siberia. [2]
The lifestyle of Annulatubus is unknown other than it has been found in both shallow and deep-water deposits. [1]
Annulatubus | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia (?) |
Genus: | † Annulatubus |
Species: | †A. flexuosus
|
Binomial name | |
†Annulatubus flexuosus |
Annulatubus is a genus of the Ediacaran biota (635–542 Ma) found in Northwest Canada, and Northern Siberia. It has been found in both shallow water and deep-water assemblages no older than 560 Ma placing it within the youngest Ediacaran.
Annulatubus, meaning ringed tube, possesses a long tube-like structure with uniformly spaced ridges. At lengths between 178mm, and 250mm, and widths between 15mm and 50mm it is significantly larger than most other tube-like fossils of the Ediacaran.
It is described as having a similar ringed tube structure to Sekwitibulus but differs in size and ridge shape. It is unknown if Annulatubus possessed a holdfast like other similar Ediacarans. [1]
The only known species within the genus is Annulatubus flexuosus. [1]
Annulatubus flexuosus was discovered in the Blueflower formation from the Mackenzie Mountains of Northwest Canada. [1] In 2008 a similar Ediacaran was discovered from the late Ediacaran Khatyspyt formation of Northern Siberia by Dmitriy V. Grazhdankin, Uwe Balthasar, Konstantin E. Nagovitsin, and Boris B. Kochnev. Carbone et al. [2] recognized the specimen that Grazhdankin et al. described as belonging to the Annulatubus genus but not enough material exists to recognize it as A. flexuosus or a new species.
Annulatubus has been found in the sandstone beds of the Blueflower Formation in Northwest Canada and within the mudstones of the Khatyspyt Formation of Northern Siberia. [2]
The lifestyle of Annulatubus is unknown other than it has been found in both shallow and deep-water deposits. [1]