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Ulminium
Taxonomy
Ulminium was named by Unger (1842). It is considered to be a form taxon. Its type is Ulminium diluviale.
It was assigned to Lauraceae by Page (1967).
It was assigned to Lauraceae by Page (1967).
Species
U. artabeae, U. atlanticum, U. chubutense, U. diluviale (type species), U. mucilaginosum, U. mulleri, U. pattersonensis
Synonymy list
| Year | Name and author |
|---|---|
| 1842 | Ulminium Unger |
| 1967 | Ulminium Page p. 511 |
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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. †Ulminium Unger 1842
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†Ulminium artabeae Brea 1998
†Ulminium atlanticum Romero 1970
†Ulminium chubutense Brea 1995
†Ulminium diluviale Unger 1842
†Ulminium mucilaginosum Brea 1998
†Ulminium mulleri Page 1967
†Ulminium pattersonensis Page 1967
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| Cells of woody radius height | 1 | 0.177 | - | - | - | - | |
| Fibres diameter | 1 | 0.014 | - | - | - | - | |
| Hexagonal fibers diameter | 1 | 0.017 | - | - | - | - | |
| Vascular elements diameter | 2 | 0.078 | 0.069 | 0.088 | 0.078 | 0.014 | |
| Vessels diameter | 2 | 0.178 | 0.135 | 0.235 | 0.185 | 0.071 |
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Maastrichtian to the top of the Late/Upper Pleistocene or 72.10000 to 0.01170 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | USA (California) | U. pattersonensis, U. mulleri (191731) | |
| Eocene | Argentina (Chubut) | U. atlanticum (138073) U. chubutense (143104) | |
| Santacrucian | Argentina (Santa Cruz) | Laurinoxylon atlanticum (176577) | |
| Late/Upper Pleistocene | Argentina (Entre Ríos) | U. artabeae (138828) U. mucilaginosum (138862 138888) |