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Takahashiceras eureka
Taxonomy
Takahashia eureka was named by Matsumoto (1984). Its type specimen is GK.H5567, a shell, and it is a 3D body fossil. Its type locality is Ik1101, Katsurazawa pit, Ikushumbets river, which is in a Cenomanian marine sandstone in the Mikasa Formation of Japan. It is the type species of Takahashia, Takahashiceras.
It was recombined as Takahashiceras eureka by Hoffmann and Howarth (2015).
It was recombined as Takahashiceras eureka by Hoffmann and Howarth (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Takahashia eureka Matsumoto p. 33 fig. 1 |
| 2015 | Takahashiceras eureka Hoffmann and Howarth p. 1 |
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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.
†Takahashiceras eureka Matsumoto 1984
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 78.0 | |||||
| shell diameter | 1 | 145.0 | |||||
| shell inflation | 1 | 25.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Early/Lower Cenomanian or 100.50000 to 93.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | Japan | Takahashia eureka (type locality: 166257) |