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Taxonomy
Widdringtonites gracilis was named by Heer (1868). It is not extant. It is the type species of Cyparissidium.
It was recombined as Cyparissidium gracile by Heer (1874) and Knowlton (1919).
It was recombined as Cyparissidium gracile by Heer (1874) and Knowlton (1919).
Synonymy list
| Year | Name and author |
|---|---|
| 1868 | Widdringtonites gracilis Heer |
| 1874 | Cyparissidium gracile Heer |
| 1919 | Cyparissidium gracile Knowlton |
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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.
†Widdringtonites gracilis Heer 1868
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: Middle Oxfordian or 161.20000 to 155.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Oxfordian | France | Widdringtonites gracilis (24421) |