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Phaedrysmocheilus
Taxonomy
Phaedrysmocheilus was named by Shimansky and Erlanger (1955) [Sepkoski's age data: Tr Olen Tr Nori Sepkoski's reference number: 995].
It was assigned to Pleuronautilidae by Shimansky and Erlanger (1955); to Nautilida by Sepkoski (2002); and to Tainoceratidae by Teichert et al. (1964), Sobolev (1985) and Brayard et al. (2019).
It was assigned to Pleuronautilidae by Shimansky and Erlanger (1955); to Nautilida by Sepkoski (2002); and to Tainoceratidae by Teichert et al. (1964), Sobolev (1985) and Brayard et al. (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Phaedrysmocheilus Shimansky and Erlanger p. 96 |
| 1964 | Phaedrysmocheilus Teichert et al. p. 414 |
| 1985 | Phaedrysmocheilus Sobolev p. 50 |
| 2002 | Phaedrysmocheilus Sepkoski |
| 2019 | Phaedrysmocheilus Brayard et al. p. 27 |
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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. †Phaedrysmocheilus Shimansky and Erlanger 1955
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†Phaedrysmocheilus evolutus Sobolev 1989
†Phaedrysmocheilus idahoensis Kummel 1953
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Invalid names: Enoploceras newelli Kummel 1953 [synonym], Germanonautilus montpelierensis Kummel 1953 [synonym], Mojsvaroceras frenchi Kummel 1953 [synonym]
†Phaedrysmocheilus involutus Sobolev 1989
†Phaedrysmocheilus nestori Shimansky 1957
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Invalid names: Phaedrysmocheilus suavis Schastlivtseva 1986 [synonym]
†Phaedrysmocheilus ornatus Sobolev 1989
†Phaedrysmocheilus subaratus Keyserling 1847
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Invalid names: Pleuronautilus olenekensis Zakharov 1978 [synonym]
†Phaedrysmocheilus velivolus Sobolev 1985
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 29 | 33.9 | 22.1 | 56.4 | 32.8 | 8.81 | |
| shell diameter | 29 | 68.6 | 42.7 | 106.4 | 70.7 | 16.9 | |
| shell inflation | 29 | 15.5 | 8.20 | 29.5 | 15.2 | 4.69 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Olenekian or 251.20000 to 247.20000 Ma
Collections (56 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Smithian | Russian Federation (Primorye) | P. sp. (47277) | |
| Spathian | Russian Federation (Primorye) | P. russkiensis (47253 47295 47315 47316) P. sp. (47278 47294 47297 47310 47313 47314) P. ussuriense (47293) | |
| Spathian | Romania | P. prodigialis (216983) | |
| Spathian | USA (Idaho) | Metacoceras frenchi, Germanonautilus montpelierensis, Pleuronautilus idahoensis (110956) Metacoceras frenchi, Pleuronautilus newelli (110958) P. idahoensis (202197) | |
| Spathian | Russian Federation | Enoploceras nestori (166639) Nautilus subaratus (166486) P. evolutus (107106 123388 123390 123391 166643 166644 166645 166646) P. involutus (166647 166648) P. nestori (107019) P. ornatus (107108 123500 166640 166641) P. subaratus (107211 123385 123387 123506 123939) P. subaratus, P. involutus (166613 166614) P. subaratus, P. nestori (107195) P. subaratus, P. olenekensis, P. velivolus (107049) P. subaratus, P. velivolus (166615) Pleuronautilus olenekensis (123495) Pleuronautilus subaratus (212505) | |
| Olenekian | Russian Federation | P. ornatus (124534) P. sp. (61961) P. subaratus (124541) | |
| Olenekian | Russian Federation (Yakutia) | P. suavis (45916) | |
| Olenekian | Russian Federation (Siberia) | P. olenekensis (72347 72348 72350 72352) | |
| Olenekian | Kazakhstan | P. sp. (72328 72329 72422) |