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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Potamogeton parva
Taxonomy
Potamogeton parva was named by Brown (1940). It is a compression fossil. Its type locality is Crooked River, which is in an Oligocene lacustrine horizon in the John Day Formation of Oregon.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Potamogeton parva Brown p. 348 |
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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.
†Potamogeton parva Brown 1940
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R.W. Brown 1940 | A small, linear-elliptic floating leaf of pondweed. Principal veins parallel, delicate, and at their basal origin, closely appressed to the midrib. Cross-veinlets scattering, indistinct. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: Early/Lower Oligocene or 33.90000 to 28.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Oligocene | USA (Oregon) | Potamogeton parva (type locality: 35237) |