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Kosmoceras rotundum
Taxonomy
Ammonites ornatus rotundus was named by Quenstedt (1846). It is a 3D body fossil.
It was recombined as Kosmoceras rotundum by Jain and Mazur (2021).
It was recombined as Kosmoceras rotundum by Jain and Mazur (2021).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1846 | Ammonites ornatus rotundus Quenstedt |
| 2021 | Kosmoceras rotundum Jain and Mazur p. 412 figs. 5A-C |
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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.
†Kosmoceras rotundum Quenstedt 1846
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 46.0 | |||||
| shell diameter | 1 | 126.0 | |||||
| shell inflation | 1 | 47.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Late/Upper Callovian or 165.30000 to 161.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Callovian | Poland | Kosmoceras rotundum (228419) |