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Rollierites dimidiatum
Taxonomy
Rollierites dimidiatum was named by Jeannet (1951). It is a 3D body fossil. Its type locality is Herznach, bed B.7 (Rollier collection), which is in a Callovian carbonate limestone in Switzerland.
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Rollierites dimidiatum Jeannet p. 126 figs. Pl 47, figs 3-7; text-fig 296-298 |
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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.
†Rollierites dimidiatum Jeannet 1951
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 15.5 | 11.6 | 19.0 | 17.0 | 3.83 | |
| shell diameter | 3 | 45.8 | 35.0 | 55.0 | 50.0 | 10.4 | |
| shell inflation | 3 | 17.0 | 13.0 | 21.0 | 18.0 | 4.04 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Callovian or 165.30000 to 161.50000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Callovian | Switzerland | Rollierites dimidiatum (171552 171598) | |
| Middle Callovian | Switzerland | Rollierites dimidiatum (type locality: 171593 171734 171737) | |
| Middle Callovian - Late/Upper Callovian | Switzerland | Rollierites dimidiatum (171624) |