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Rollieria canaliculata
Taxonomy
Rollieria canaliculata was named by Jeannet (1951) [Name proposed as type of genus using deliberate employment of Rollier's misidentification (Taramelliceras canaliculatum Rollier, non Quenstedt). By IZCN article 11.10 the name denotes a new nominal species and the specific name is available with its own author and date as though it were newly proposed in combination with the new genus-group name.]. It is the type species of Rollieria.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Rollieria canaliculata Jeannet p. 98 figs. Pl 20, fig 12; pl 24, fig 6; pl 27, fig 10; pl 30, fig 1; text-figs 219,220 |
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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.
†Rollieria canaliculata Jeannet 1951
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 15.7 | 14.5 | 17.0 | 15.8 | 1.77 | |
| shell diameter | 2 | 33.2 | 31.5 | 35.0 | 33.2 | 2.47 | |
| shell inflation | 2 | 3.24 | 3.00 | 3.50 | 3.25 | 0.354 |
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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 (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Callovian | Switzerland | Rollieria canaliculata (171552 171572 171692) | |
| Late/Upper Callovian | France | Rollieria canaliculata (60441) |