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Donlesia
Taxonomy
Donlesia was named by Dilcher and Wang (2009). Its type is Donlesia dakotensis. It was considered unknown by Dilcher and Wang (2009).
It was assigned to Ceratophyllaceae by Dilcher and Wang (2009).
It was assigned to Ceratophyllaceae by Dilcher and Wang (2009).
Species
D. dakotensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Donlesia Dilcher and Wang |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. L. Dilcher and H. Wang 2009 | Fruits achenes and the fruit body fusiform,
tetra-radially symmetric with two winged lateral spines, two winged facial spines, one stylar spine, and a long peduncle; stylar spine tapering gradually toward the apex; peduncle very long with a distinctive groove that is absent from the stylar, facial, and lateral spines; fruit surface smooth; seed shape ovoid to obovate with two cotyledons and a distinct plumule. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: Late/Upper Albian or 105.30000 to 99.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | USA (Kansas) | D. dakotensis (138374) |