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Polyptychites (Astieriptychites) astieriptychus
Taxonomy
Astieriptychites astieriptychus was named by Voronetz (1958). It is a 3D body fossil.
It was recombined as Euryptychites (Euryptychites) astieriptychus by Bogomolov (1989); it was recombined as Polyptychites (Astieriptychites) astieriptychus by Alsen (2006).
It was recombined as Euryptychites (Euryptychites) astieriptychus by Bogomolov (1989); it was recombined as Polyptychites (Astieriptychites) astieriptychus by Alsen (2006).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1958 | Astieriptychites astieriptychus Voronetz |
1960 | Astieriptychites astieriptychus Bodylevsky |
1960 | Astieriptychites tenuiptychus Bodylevsky |
1968 | Euryptychites splendens Bodylevsky |
1971 | Astieriptychites sphaericiformis Gordeev |
1989 | Euryptychites (Euryptychites) astieriptychus Bogomolov p. 41 figs. Pl 12, fig 2; pls 13-17 |
2006 | Polyptychites (Astieriptychites) astieriptychus Alsen p. 92 |
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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.
†Polyptychites (Astieriptychites) astieriptychus Voronetz 1958
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Invalid names: Astieriptychites sphaericiformis Gordeev 1971 [synonym], Astieriptychites tenuiptychus Bodylevsky 1960 [synonym], Euryptychites splendens Bodylevsky 1968 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 3 | 22.2 | 20.0 | 25.0 | 22.0 | 2.52 | |
shell diameter | 3 | 65.6 | 61.0 | 70.0 | 66.0 | 4.51 | |
shell inflation | 3 | 20.9 | 16.8 | 25.1 | 21.8 | 4.18 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: Valanginian or 137.05000 to 132.60000 Ma
Collections (21 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Valanginian | Greenland | Polyptychites astieriptychus (83742) | |
Early/Lower Valanginian | Russian Federation | Astieriptychites tenuiptychus (65452) Euryptychites astieriptychus (189438 189592 189593 189594 189595 189596 189614 189615 189616 189619 189629 189630 189631 189632 189633 189634) | |
Valanginian | Greenland | Polyptychites astieriptychus (83741) | |
Valanginian | Russian Federation (Siberia) | Astieriptychites astieriptychus (2487) | |
Valanginian | Russian Federation | Astieriptychites tenuiptychus (65458) |