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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ophiceras transitorium
Taxonomy
Ophiceras transitorium was named by Spath (1930).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Ophiceras transitorium Spath p. 17 figs. Pl 2, fig 10 |
| 1935 | Ophiceras transitorium Spath p. 14 figs. Pl 6, fig 1; pl 7, fig 1; pl 9, fig 2; pl 11, figs 1,2; pl 12, fig 4 |
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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.
†Ophiceras transitorium Spath 1930
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell diameter | 3 | 76.5 | 67.4 | 95.7 | 69.4 | 15.8 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Griesbachian or 251.90200 to 250.50000 Ma
Collections (31 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Griesbachian | Russian Federation | Ophiceras transitorium (187169) | |
| Griesbachian | Russian Federation (Siberia) | Ophiceras transitorium (48472 48481) | |
| Griesbachian | Greenland | Ophiceras transitorium (48121 118504 118520 118530 118534 118556 118572 118599 118602 118606 118608 118609 118614 118620 118626 118627 118631 118632 118650 118665 118675 118685 118686 118687 118703 118712 118756) | |
| Early/Lower Triassic | Greenland | Ophiceras transitorium (48120) |