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Zifondium lassenensis
Taxonomy
Zifondium lassenensis was named by Pessagno (1977). It is not extant. It is the type species of Zifondium.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Zifondium lassenensis Pessagno p. 47 figs. 4, 20, 22, Pl. 7 |
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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.
†Zifondium lassenensis Pessagno 1977
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: Late/Upper Albian or 106.30000 to 100.50000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Albian | USA (California) | Zifondium lassenensis (54049 54071 54072) | |
| Late/Upper Albian | USA (California) | Zifondium lassenensis (54061) |