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Coronula bifida
Taxonomy
Coronula bifida was named by Bronn (1831).
Entered
by M. Uhen on 2018-07-09
Synonymy list
| Year | Name and author |
|---|---|
| 1831 | Coronula bifida Bronn |
| 2018 | Coronula bifida Collareta et al. p. 15 |
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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.
†Coronula bifida Bronn 1831
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Collareta et al. 2018 | Shell globose, with longitu- dinal convex parietal ribs that often bifurca- te, and with strong transverse ridges; radii moderately thick, displaying a roughly constant width (or slightly widening down- wards) in the upper two thirds of the shell, and then becoming progressively narrower downwards in their lowermost third; body chamber relatively shallow, sub-cylindrical; sheath less than half of the total height of the shell. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Late/Upper Pliocene to the top of the Gelasian or 3.60000 to 1.80000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Neogene | Taiwan (N/A) | Coronula bifida (208295) | |
| Late/Upper Pliocene - Early/Lower Pleistocene | Taiwan | Coronula bifida (206745) | |
| Gelasian | Italy | Coronula bifida (278577) | |
| Early/Lower Pleistocene | Italy (Palermo) | Coronula bifida (77592) | |
| Pleistocene | Japan (Shizuoka) | Coronula bifida (208296) |