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Acanthonautilus grandis
Taxonomy
Acanthonautilus grandis was named by Shchedukhin (2024). Its type specimen is PIN 5668/240, a shell, and it is a mold. Its type locality is Shakh-Tau Shikhan, which is in an Asselian/Sakmarian reef, buildup or bioherm reef rocks in the Russian Federation.
Synonymy list
| Year | Name and author |
|---|---|
| 2024 | Acanthonautilus grandis Shchedukhin p. 510 figs. Pl 2, fig 1; text-figs 1d, 3b,d, 4 |
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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.
†Acanthonautilus grandis Shchedukhin 2024
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 149.2 | 112.0 | 217.0 | 143.3 | 45.5 | |
| shell diameter | 4 | 259.5 | 205.0 | 315.0 | 267.0 | 52.5 | |
| shell inflation | 4 | 22.6 | 15.0 | 35.0 | 22.8 | 9.29 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian - Sakmarian | Russian Federation (Bashkortostan) | Acanthonautilus grandis (type locality: 217202) |