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Polyptychites (Euryptychites)
Taxonomy
Euryptychites was named by Pavlow (1914). Its type is Olcostephanus latissimus.
It was reranked as Polyptychites (Euryptychites) by Alsen (2006).
It was assigned to Polyptychitinae by Jeletzky and Kemper (1988); to Polyptychitidae by Bogomolov (1989); to Ammonoidea by Zakharov et al. (1999); and to Polyptychites by Alsen (2006).
It was reranked as Polyptychites (Euryptychites) by Alsen (2006).
It was assigned to Polyptychitinae by Jeletzky and Kemper (1988); to Polyptychitidae by Bogomolov (1989); to Ammonoidea by Zakharov et al. (1999); and to Polyptychites by Alsen (2006).
Subtaxa
Euryptychites (Euryptychites), Paratollia kemperi, Polyptychites (Euryptychites) copiocostatus, Polyptychites (Euryptychites) diplotomus (syn. Polyptychites gravidus), Polyptychites (Euryptychites) gravesiformis, Polyptychites (Euryptychites) laevis, Polyptychites (Euryptychites) latissimus, Polyptychites (Euryptychites) molsbergensis, Polyptychites (Euryptychites) pateraeformis, Polyptychites (Euryptychites) roemeri, Polyptychites (Euryptychites) rubricosus, Polyptychites (Euryptychites) subcoronatus, Polyptychites (Euryptychites) traillensis
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
---|---|
1914 | Euryptychites Pavlow |
1973 | Paratollia Casey |
1983 | Neopolyptychites Shulgina |
1988 | Bodylevskites Jeletzky and Kemper p. 20 |
1988 | Paratollia Jeletzky and Kemper p. 23 |
1988 | Euryptychites Jeletzky and Kemper p. 28 |
1989 | Euryptychites Bogomolov p. 26 |
1999 | Euryptychites Zakharov et al. p. 1120 |
2002 | Bodylevskites Sepkoski |
2006 | Polyptychites (Euryptychites) Alsen p. 94 |
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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.
Subg. †Polyptychites (Euryptychites) Pavlow 1914
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Subg. †Euryptychites (Euryptychites) Pavlow 1914
†Polyptychites (Euryptychites) copiocostatus Alsen 2006
†Polyptychites (Euryptychites) diplotomus Koenen 1902
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Invalid names: Polyptychites gravidus Koenen 1909 [synonym]
†Polyptychites (Euryptychites) gravesiformis Pavlow 1892
†Polyptychites (Euryptychites) laevis Donovan 1953
†Polyptychites (Euryptychites) latissimus Neumayr and Uhlig 1881
†Polyptychites (Euryptychites) molsbergensis Alsen 2006
†Polyptychites (Euryptychites) pateraeformis Voronets 1962
†Polyptychites (Euryptychites) roemeri Alsen 2006
†Polyptychites (Euryptychites) rubricosus Alsen 2006
†Polyptychites (Euryptychites) subcoronatus Alsen 2006
†Polyptychites (Euryptychites) traillensis Donovan 1953
Invalid names: Bodylevskites [synonym], Neopolyptychites Shulgina 1983 [synonym], Paratollia Casey 1973 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 56 | 17.0 | 10.0 | 49.0 | 16.0 | 8.20 | |
shell diameter | 56 | 46.2 | 26.0 | 139.0 | 45.0 | 20.4 | |
shell inflation | 56 | 14.5 | 7.30 | 36.1 | 14.7 | 5.93 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Early/Lower Valanginian or 137.05000 to 132.60000 Ma
Collections (15 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Berriasian - Valanginian | Germany | Euryptychites sp. (95087) | |
Early/Lower Valanginian | Greenland | Polyptychites pateraeformis (83683) Polyptychites sp. (83706) | |
Early/Lower Valanginian | Russian Federation | Euryptychites sp. (65443 65452 189634 189642 189654) Neopolyptychites sp. (65748) | |
Early/Lower Valanginian | Canada (Northwest Territories) | Siberiptychites pateraeformis (87535) | |
Late/Upper Valanginian | Greenland | Polyptychites traillensis, Polyptychites laevis, Polyptychites molsbergensis (83715) | |
Valanginian | Russian Federation (Siberia) | Euryptychites sp. (2487) | |
Valanginian | Poland | Polyptychites latissimus, Polyptychites gravidus (2097) | |
Valanginian | Russian Federation | Euryptychites sp. (65458) | |
Valanginian | Svalbard and Jan Mayen | Euryptychites gravesiformis (211955) |