| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Triceratiales
Discussion
Triceratiales F.E. Round & R.M. Crawford in Round et al. 1990
Taxonomy
Triceratiales 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 | Triceratiales 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. Triceratiales Round et al. 1990
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Fm. Plagiogrammaceae De Toni 1890
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G. Dimeregramma Pritchard 1861
G. Glyphodesmis Greville 1862
G. Plagiogramma Greville 1859
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 Holocene or 33.90000 to 0.00000 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) | Plagiogramma tesselatum (224622) | |
| Neogene | India (Andaman and Nicobar Islands) | Glyphodesmis nancoorense, Plagiogramma nankoorense, Plagiogramma polygibbum (224619) | |
| Middle Miocene | Chile (Coquimbo) | Plagiogramma obesum (222363) | |
| Messinian | Morocco | Dimeregramma marinum (35035) | |
| Holocene | Sweden | Plagiogramma staurophorum (35074) |