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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Xyridaceae (yellow-eyed grass)
Taxonomy
Xyridaceae was named by Agardh (1823). It is extant.
It was assigned to Xyridales by Knowlton (1919); to Commelinales by Mabberley (2000); and to Poales by The Angiosperm Phylogeny Group (2016).
It was assigned to Xyridales by Knowlton (1919); to Commelinales by Mabberley (2000); and to Poales by The Angiosperm Phylogeny Group (2016).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1823 | Xyridaceae Agardh |
1919 | Xyridaceae Knowlton |
2000 | Xyridaceae Mabberley |
2016 | Xyridaceae The Angiosperm Phylogeny Group p. 15 |
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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. Xyridaceae Agardh 1823 [yellow-eyed grass]
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Kiessling 2009 |
Age range
Maximum range based only on fossils: Serravallian or 13.82000 to 11.63000 Ma
Minimum age of oldest fossil (stem group age): 11.63 Ma
Minimum age of oldest fossil (stem group age): 11.63 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Serravallian | Germany (Sachsen) | Xyris lusatica (27376) Xyris multicostata (27381) | |
Serravallian | Germany (Brandenburg) | Xyris lusatica (23677) Xyris multicostata (23056 23618) |