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Xiphostylus halli
Taxonomy
Xiphostylus halli was named by Pessagno et al. (1989). Its type specimen is USNM 424174 and is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Xiphostylus halli Pessagno et al. p. 238 figs. Pl. 4, figs. 1, 13, 20, 24 |
| 1989 | Xiphostylus halli Pessagno and Yang |
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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.
†Xiphostylus halli Pessagno et al. 1989
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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: base of the Early/Lower Bajocian to the top of the Late/Upper Bajocian or 170.90000 to 168.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Bajocian | USA (Oregon) | Xiphostylus halli (127226) | |
| Bajocian | USA (Oregon) | Xiphostylus halli (32733) | |
| Late/Upper Bajocian | USA (Oregon) | Xiphostylus halli (106403) |