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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Parapeltoceras annulosum
Taxonomy
Ammonites annulosus was named by Quenstedt (1887).
It was recombined as Parapeltoceras annulosum by Jeannet (1951).
It was recombined as Parapeltoceras annulosum by Jeannet (1951).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Ammonites annulosus Quenstedt |
| 1951 | Parapeltoceras annulosum Jeannet p. 164 figs. Pl 75, fig 3; text-fig 388 |
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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.
†Parapeltoceras annulosum Quenstedt 1887
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 16.5 | |||||
| shell diameter | 1 | 59.0 | |||||
| shell inflation | 1 | 28.5 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Callovian or 165.30000 to 161.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Callovian | Madagascar | Parapeltoceras annulosum (98136) | |
| Middle Callovian - Late/Upper Callovian | Switzerland | Parapeltoceras annulosum (171760) |