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Shionodiscus
Taxonomy
Shionodiscus was named by Alverson et al. (2006). It is not extant.
It was assigned to Thalassiosiraceae by Alverson et al. (2006).
It was assigned to Thalassiosiraceae by Alverson et al. (2006).
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Shionodiscus Alverson et al. p. 258 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Shionodiscus Alverson et al. 2006
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A.J. Alverson et al. 2006 | Thalassiosira Cleve affine, a quo rimoportula semper semota a margine, typice in
facie valvae, aliquandro ad oram faciei; hltoportulis typice extensionibus intrisecis longis et semper extensionibus extrinsicis parvis aut absentibus. Akin to Thalassiosira Cleve, from which it differs by the labiate process always being distant from the margin, typically on the valve face, sometimes at the edge of the face; with strutted processes typically with long inward extensions and always with outward extensions reduced or absent. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections
No collection or age range data are available