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Cymatonautilus
Taxonomy
Cymatonautilus was named by Spath (1927) [Sepkoski's age data: J Call Sepkoski's reference number: 524].
It was assigned to Cymatoceratidae by Kobayashi (1954) and Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
It was assigned to Cymatoceratidae by Kobayashi (1954) and Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1927 | Cymatonautilus Spath |
1954 | Cymatonautilus Kobayashi p. 16 |
1964 | Cymatonautilus Teichert et al. p. 453 |
2002 | Cymatonautilus Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 2 | 30.9 | 28.0 | 34.0 | 31.0 | 4.24 | |
shell diameter | 2 | 62.3 | 58.0 | 67.0 | 62.5 | 6.36 | |
shell inflation | 2 | 17.4 | 16.0 | 19.0 | 17.5 | 2.12 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: base of the Middle Callovian to the top of the Callovian or 164.70000 to 163.50000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Callovian | Saudi Arabia | C. collignoni (48585) | |
Early/Lower Callovian | India (Gujarat) | C. collignoni (167388) | |
Middle Callovian | India (Gujarat) | C. collignoni (167363) |