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Proclydonautilus triadicus
Taxonomy
Nautilus triadicus was named by von Mojsisovics (1873).
It was recombined as Clydonautilus (Proclydonautilus) triadicus by von Mojsisovics (1902); it was recombined as Proclydonautilus triadicus by Smith (1904), Hyatt and Smith (1905), Smith (1927), Kummel (1953) and Schastlivtseva (1988).
It was recombined as Clydonautilus (Proclydonautilus) triadicus by von Mojsisovics (1902); it was recombined as Proclydonautilus triadicus by Smith (1904), Hyatt and Smith (1905), Smith (1927), Kummel (1953) and Schastlivtseva (1988).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1873 | Nautilus triadicus von Mojsisovics p. 27 figs. Pl 14, figs 1-4 |
| 1902 | Clydonautilus (Proclydonautilus) triadicus von Mojsisovics p. 209 |
| 1904 | Proclydonautilus triadicus Smith pp. 401 - 402 figs. Plate XLVI, Fig. 2; Plate XLVII, Fig. 2 |
| 1905 | Proclydonautilus triadicus Hyatt and Smith p. 206 figs. Pl 49, figs 1-3; pl 50, figs 1-17 |
| 1927 | Proclydonautilus triadicus Smith p. 102 figs. Pl 49, figs 1-3; pl 50, figs 1-17 |
| 1953 | Proclydonautilus triadicus Kummel p. 81 figs. Pl 9, figs 1-20 |
| 1988 | Proclydonautilus triadicus Schastlivtseva p. 42 |
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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.
†Proclydonautilus triadicus von Mojsisovics 1873
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 13.2 | 2.00 | 62.0 | 15.0 | 23.3 | |
| shell diameter | 8 | 22.9 | 3.50 | 97.0 | 25.0 | 36.9 | |
| shell inflation | 8 | 0.387 | 0.001 | 4.00 | 0.725 | 1.37 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Julian | Austria | Nautilus triadicus (159532) | |
| Tuvalian | USA (California) | Proclydonautilus triadicus (33324 142608) | |
| Tuvalian | Austria | Nautilus triadicus (159552) | |
| Alaunian | Russian Federation | Proclydonautilus triadicus (214808) |