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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Paroniceras helveticum
Taxonomy
Paroniceras helveticum was named by Renz (1922). It is not extant.
Synonymy list
| Year | Name and author |
|---|---|
| 1922 | Paroniceras helveticum Renz |
| 2006 | Paroniceras helveticum Bécaud p. 100 figs. Pl 31, fig 7 |
| 2009 | Paroniceras helveticum Goy and Martínez p. 616 figs. 13.9, 15.7, 15.11 |
| 2010 | Paroniceras helveticum Kovács p. 125 figs. Pl 2, figs 16-19 |
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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.
†Paroniceras helveticum Renz 1922
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 31.0 | |||||
| shell diameter | 1 | 63.5 | |||||
| shell inflation | 1 | 14.5 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Variabilis or 182.00000 to 175.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Variabilis | France (Deux-Sevrès) | Paroniceras helveticum (140898) | |
| Variabilis | Hungary | Paroniceras helveticum (108079) |