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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Trapa angulata
Taxonomy
Trapa angulata was named by Brown (1962). It is not extant.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Trapa angulata Brown p. 83 figs. Pl. 58, figs. 1-12 |
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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.
†Trapa angulata Brown 1962
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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: base of the Clarkforkian to the top of the Paleocene or 56.20000 to 56.00000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paleocene | USA (Montana) | Trapa angulata (40098 40100 53845) | |
| Paleocene | USA (Wyoming) | Trapa angulata (57939 57986 57987 57990) | |
| Paleocene | USA (North Dakota) | Trapa angulata (43284) | |
| Clarkforkian | USA (North Dakota) | Trapa angulata (10810) |