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Trapa angulata
Taxonomy
Trapa angulata was named by Brown (1962). It is not extant.
Sister species lacking formal opinion data
Entered
by J. Cassara (authorized by H. Sims) on 2003-11-17; modified by J. Alroy on 2013-04-30
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: Clarkforkian or 57.50000 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 (North Dakota) | Trapa angulata (43284) | |
| Paleocene | USA (Wyoming) | Trapa angulata (57939 57986 57987 57990) | |
| Clarkforkian | USA (North Dakota) | Trapa angulata (10810) |