| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cymatosirales
Discussion
Cymatosirales F.E. Round & R.M. Crawford in Round et al. 1990
Taxonomy
Cymatosirales was named by Round et al. (1990). It is extant.
It was assigned to Bacillariophyceae by Round et al. (1990).
It was assigned to Bacillariophyceae by Round et al. (1990).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Cymatosirales Round et al. |
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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.
Or. Cymatosirales Round et al. 1990
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Fm. Cymatosiraceae Hasle et al. 1983
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G. †Bogorovia Jousé 1974
G. Campylosira Van Heurck 1885
G. Cymatosira Grunow 1862
G. †Kisseleviella Scheschukova-Poretzkaja and Gleser 1962
G. †Koizumia Yanagisawa 1994
G. †Rossiella Desikachary and Maheshwari 1958
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Oligocene to the top of the Piacenzian or 33.90000 to 2.58000 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oligocene | India (Andaman and Nicobar Islands) | Rossiella paleacea (224622) | |
| Aquitanian - Langhian | USA (North Carolina) | Cymatosira andersoni, Cymatosira immunis, Cymatosira a (48887) | |
| Neogene | India (Andaman and Nicobar Islands) | Rossiella paleacea (224619) | |
| Zanclean | Japan | Cymatosira debyi (55643) | |
| Piacenzian | Japan | Cymatosira debyi (101907) |