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Pyxillaceae
Taxonomy
Pyxillaceae was named by Simonsen (1972).
It was assigned to Heterineae by Andrews (1976); and to Rhizosoleniales by Simonsen (1972), Round et al. (1990).
It was assigned to Heterineae by Andrews (1976); and to Rhizosoleniales by Simonsen (1972), Round et al. (1990).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Pyxillaceae Simonsen p. 51 |
| 1976 | Pyxillaceae Andrews p. 19 |
| 1990 | Pyxillaceae 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. †Pyxillaceae Simonsen 1972
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G. †Pyrgupyxis Hendey 1969
G. †Pyxilla Greville 1865
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian | Russian Federation (Kamchatka) | Pyxilla gracilis (202259) | |
| Aquitanian - Langhian | USA (North Carolina) | Pyxilla johnsoniana (48887) |