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Arctoptychites euglyphus
Taxonomy
Ptychites euglyphus was named by Mojsisovics (1886).
It was recombined as Aristoptychites euglyphus by Weitschat and Lehmann (1983); it was recombined as Arctoptychites euglyphus by Arkadiev and Vavilov (1989).
It was recombined as Aristoptychites euglyphus by Weitschat and Lehmann (1983); it was recombined as Arctoptychites euglyphus by Arkadiev and Vavilov (1989).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1886 | Ptychites lundgreni Mojsisovics pp. 90 - 94 figs. pl. 13, fig. 4; pl. 14, fig. 4 |
| 1886 | Ptychites nordenskjoldi Mojsisovics pp. 92 - 93 figs. pl. 13, fig. 3 |
| 1886 | Ptychites euglyphus Mojsisovics p. 94 figs. pl. 14, figs. 1-3 |
| 1886 | Ptychites latifrons Mojsisovics p. 95 figs. pl. 14, figs. 5 - 6 |
| 1976 | Ptychites latifrons Bychkov et al. |
| 1983 | Aristoptychites euglyphus Weitschat and Lehmann p. 41 figs. Pl 1, figs 2,3; pl 2, figs 1-3 |
| 1989 | Arctoptychites euglyphus Arkadiev and Vavilov p. 64 figs. pl. 2, figs 11-12 |
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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.
†Arctoptychites euglyphus Mojsisovics 1886
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Invalid names: Ptychites latifrons Mojsisovics 1886 [synonym], Ptychites lundgreni Mojsisovics 1886 [synonym], Ptychites nordenskjoldi Mojsisovics 1886 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 23.4 | 12.5 | 40.0 | 22.0 | 11.0 | |
| shell diameter | 5 | 43.4 | 24.0 | 74.0 | 46.0 | 19.9 | |
| shell inflation | 5 | 9.99 | 6.00 | 14.0 | 10.0 | 3.07 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Anisian to the top of the Longobardian or 247.20000 to 235.00000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Svalbard and Jan Mayen | Ptychites euglyphus (212544 212548 212562) Ptychites lundgreni (212141 212560) Ptychites nordenskjoldi (212559) | |
| Fassanian | Svalbard and Jan Mayen | Aristoptychites euglyphus (144475 144476) | |
| Fassanian | Svalbard and Jan Mayen (Spitsbergen) | Aristoptychites euglyphus (211378) | |
| Longobardian | Russian Federation | Arctoptychites euglyphus (111973) |