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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Miyakoceras
Taxonomy
Miyakoceras is a genus. It is not extant.
It was assigned to Ammonoidea by Sepkoski (2002); and to Silesitidae by Wright et al. (1996), Matsukawa (2021).
It was assigned to Ammonoidea by Sepkoski (2002); and to Silesitidae by Wright et al. (1996), Matsukawa (2021).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Miyakoceras Wright et al. p. 83 |
| 2002 | Miyakoceras Sepkoski |
| 2021 | Miyakoceras Matsukawa p. 6 |
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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.
G. †Miyakoceras
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†Miyakoceras hayamii Obata 1967
†Miyakoceras tanohatense Obata 1967
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: Late/Upper Aptian or 122.46000 to 113.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian | Japan (Nagano) | M. hayamii (220846) M. tanohatense (220847) |