| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Aulacoseiraceae
Taxonomy
Aulacoseiraceae was named by Crawford (1990). It is extant.
It was assigned to Aulacoseirales by Round et al. (1990).
It was assigned to Aulacoseirales by Round et al. (1990).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Aulacoseiraceae Crawford |
| 1990 | Aulacoseiraceae 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.
Fm. Aulacoseiraceae Crawford 1990
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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 Ypresian to the top of the Blancan or 56.00000 to 1.40000 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | Canada (British Columbia) | Aulacoseira sp. (227820) Eoseira wilsonii (119857 119948) | |
| Lutetian | Canada (Lac de Gras) | Aulacoseira giraffensis (183419) | |
| Blancan | USA (Oregon) | Aulacoseira sp. (225472) |