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Tryblionella
Taxonomy
Tryblionella was named by Smith (1853). It is extant.
It was assigned to Bacillariophyceae by Smith (1853); and to Bacillariaceae by Round et al. (1990).
It was assigned to Bacillariophyceae by Smith (1853); and to Bacillariaceae by Round et al. (1990).
Synonymy list
| Year | Name and author |
|---|---|
| 1853 | Tryblionella Smith |
| 1990 | Tryblionella Round et al. pp. 129, 614-615 |
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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. Tryblionella Smith 1853
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Smith 1853 | Genus 14. TRYBLIONELLA, W. Sm.
Frustules free, elliptical or linear; valves plane; alas subraarginal or obsolete ; canaliculi inconspicuous, parallel. This genus differs from Campylodiscus in the more elongated form of its frustules and the absence of the characteristic bend in its valves ; the canaliculi are also more minute and parallel rather than radiating. It agrees with Surirella in the presence of alee, but these arise from the disc, and are not, as in Surirella, prolongations of the margin. It is also distinguished by its less conspicuous canaliculi, and by the frustule never assuming the cuneate form so notable in Surirella. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections
No collection or age range data are available