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Palaeocarpinus
Taxonomy
Palaeocarpinus was named by Crane (1981) [Type: Palaeocarpinus laciniata Crane]. Its type is Palaeocarpinus laciniata. It was considered monophyletic by Crane (1981).
It was assigned to Coryloideae by Crane (1981).
It was assigned to Coryloideae by Crane (1981).
Species
P. joffrense, P. laciniata (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Palaeocarpinus Crane |
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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.
G. †Palaeocarpinus Crane 1981
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†Palaeocarpinus joffrense Sun and Stockey 1992
†Palaeocarpinus laciniata Crane 1981
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P.R. Crane 1981 | Bracteate fruits comprising a broadly ovate to elliptic nut subtended by an involucre of two equal or sub-equal bracts. Nutlets flattened in the plane of the bracts with ribs on both faces. Perigone present bearing simple hairs. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: Late/Upper Paleocene or 58.70000 to 55.80000 Ma
Collections (29 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paleocene | USA (Montana) | P. sp. (53527) | |
| Paleocene | USA (Wyoming) | Palaeocarpinus indet. (58000) | |
| Tiffanian | USA (Wyoming) | P. aspinosa (28632 28633 28634 28636 28637 28640 28642 28644) | |
| Late/Upper Paleocene | United Kingdom (Berkshire) | P. laciniata (234638) | |
| Clarkforkian | USA (Wyoming) | P. aspinosa (28659 28660 28662 28664 28667 28671 28674 28678 28680 28681 28683 28685 28686 28687 28688 28692) | |
| Clarkforkian | USA (North Dakota) | P. sp. (21372) | |
| Ypresian | Canada (British Columbia) | P. stonebergae (227994) |