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Distephanus crux
Taxonomy
Dictyocha crux was named by Ehrenberg (1840).
It was recombined as Distephanus crux by Ehrenberg (1840), Martin (1904), Lakhanpal et al. (1976).
It was recombined as Distephanus crux by Ehrenberg (1840), Martin (1904), Lakhanpal et al. (1976).
Sister species lacking formal opinion data
Entered
by M. Uhen on 2007-04-24
Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Distephanus crux Ehrenberg p. 207 |
| 1904 | Distephanus crux Martin p. 447 |
| 1976 | Distephanus crux Lakhanpal et al. |
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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.
†Distephanus crux Ehrenberg 1840
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Langhian to the top of the Late/Upper Miocene or 15.98000 to 5.33300 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aquitanian - Langhian | USA (North Carolina) | Distephanus crux (48887) | |
| Miocene | Southern Ocean | Distephanus crux (245876 245878) | |
| Burdigalian - Langhian | Mexico (Baja California) | Distephanus crux (236356) | |
| Langhian | Mexico (Baja California) | Distephanus crux (52183) | |
| Middle Miocene | North Pacific | Distephanus crux (261340 261342 261346) | |
| Middle Miocene - Late/Upper Miocene | North Pacific | Distephanus crux (261335) | |
| Late/Upper Miocene | North Pacific | Distephanus crux (261325) |