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Rollierites
Taxonomy
Rollierites was named by Jeannet (1951).
It was corrected as Rollerites by Sepkoski (2002).
It was assigned to Ammonoidea by Sepkoski (2002); and to Pachyceratidae by Arkell et al. (1957), Jain and Mazur (2021).
It was corrected as Rollerites by Sepkoski (2002).
It was assigned to Ammonoidea by Sepkoski (2002); and to Pachyceratidae by Arkell et al. (1957), Jain and Mazur (2021).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Rollierites Jeannet p. 124 |
| 1957 | Rollierites Arkell et al. p. 297 |
| 2002 | Rollerites Sepkoski |
| 2021 | Rollierites Jain and Mazur p. 407 |
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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.
G. †Rollierites Jeannet 1951
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†Rollierites biplicatum Jain and Mazur 2021
†Rollierites dimidiatum Jeannet 1951
†Rollierites minuendum Jeannet 1951
†Rollierites tenue Jeannet 1951
†Rollierites tuba Jeannet 1951
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 13 | 17.4 | 11.0 | 38.0 | 16.5 | 8.82 | |
| shell diameter | 13 | 51.7 | 27.5 | 118.0 | 50.0 | 28.7 | |
| shell inflation | 13 | 20.4 | 10.5 | 52.0 | 20.0 | 13.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Middle Callovian or 165.30000 to 161.50000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Callovian | Saudi Arabia | R. sp. (48585) | |
| Late/Upper Callovian | Switzerland | R. dimidiatum (171552 171598) | |
| Late/Upper Callovian | Poland | R. biplicatum (228420) | |
| Middle Callovian | Switzerland | R. dimidiatum (171737) R. minuendum (171592 171703 171736) R. minuendum, R. tuba, R. dimidiatum (171593 171734) R. tenue (171733) R. tuba, R. tenue (171605) | |
| Middle Callovian | France | R. minuendum (60617 60618) R. sp. (60564) | |
| Middle Callovian - Late/Upper Callovian | Switzerland | R. minuendum, R. dimidiatum, R. tenue (171624) |