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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Yokoyamoceras jimboi
Taxonomy
Yokoyamaoceras jimboi was named by Matsumoto (1955).
It was recombined as Yokoyamoceras jimboi by Kennedy (1986).
It was recombined as Yokoyamoceras jimboi by Kennedy (1986).
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Yokoyamaoceras jimboi Matsumoto |
| 1986 | Yokoyamoceras jimboi Kennedy p. 22 figs. Pl 1, figs 6-8; text-fig 8E |
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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.
†Yokoyamoceras jimboi Matsumoto 1955
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 9.80 | |||||
| shell diameter | 1 | 27.0 | |||||
| shell inflation | 1 | 7.10 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Campanian or 83.50000 to 70.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | France | Yokoyamoceras jimboi (165817) |