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Calycoceras (Newboldiceras) orientale
Taxonomy
Calycoceras orientale was named by Matsumoto et al. (1957). It is the type species of Dixa.
It was recombined as Calycoceras (Newboldiceras) orientale by Matsumoto and Skwarko (1991).
It was recombined as Calycoceras (Newboldiceras) orientale by Matsumoto and Skwarko (1991).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Calycoceras orientale Matsumoto et al. |
| 1959 | Calycoceras orientale Matsumoto pp. 73 - 74 figs. Pl.19, fig. 1a, b; Text-fig. 30 |
| 1982 | Calycoceras orientale Matsumoto et al. |
| 1991 | Calycoceras (Newboldiceras) orientale Matsumoto and Skwarko p. 254 figs. Pl 4, figs 3,5 |
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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.
†Calycoceras (Newboldiceras) orientale Matsumoto et al. 1957
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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 2003, Kiessling 2004 | |||||
Age range: base of the Middle Cenomanian to the top of the Cenomanian or 99.60000 to 93.90000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | Japan | Calycoceras orientale (87006) | |
| Early/Lower Cenomanian | Canada (British Columbia) | Calycoceras orientale (87692) | |
| Middle Cenomanian | USA (California) | Calycoceras orientale (225832) | |
| Middle Cenomanian | Papua New Guinea | Calycoceras orientale (177072) |