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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Palaeoechioceras spirale
Taxonomy
Protechioceras spirale was named by Trueman and Williams (1927).
It was recombined as Palaeoechioceras spirale by Hollingworth et al. (1990).
It was recombined as Palaeoechioceras spirale by Hollingworth et al. (1990).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Protechioceras spirale Trueman and Williams |
| 1990 | Palaeoechioceras spirale Hollingworth et al. figs. Pl 1, fig 5 |
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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.
†Palaeoechioceras spirale Trueman and Williams 1927
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Raricostatum or 199.50000 to 192.90000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oxynotum | United Kingdom (Somerset) | Palaeoechioceras spirale (159471 159472 159473 159474 159476) | |
| Raricostatum | United Kingdom (Somerset) | Palaeoechioceras spirale (159478 159479) |