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Euthystylus
Taxonomy
Euthystylus was named by Cossmann (1895) [Sepkoski's age data: Tr Ladi Tr Rhae Sepkoski's reference number: 119 (Euthstylus)
Sepkoski's age data: P Dora Sepkoski's reference number: 1130 (Futhstylus)].
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Spirostylidae by Nützel and Senowbari-Daryan (1999), Wagner (2023).
It was assigned to Neotaenioglossa by Sepkoski (2002); and to Spirostylidae by Nützel and Senowbari-Daryan (1999), Wagner (2023).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Orthostylus Kittl p. 199 |
| 1895 | Euthystylus Cossmann |
| 1999 | Euthystylus Nützel and Senowbari-Daryan p. 122 |
| 2002 | Futhystylus Sepkoski |
| 2023 | Euthystylus Wagner |
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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. †Euthystylus Cossmann 1895
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†Euthystylus angustus Münster 1841
†Euthystylus balatonicus Kittl 1900
†Euthystylus costatus Wang 1980
†Euthystylus dincae Dominici 2024
†Euthystylus hastile Böhm 1895
Invalid names: Orthostylus Kittl 1894 [replaced]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 30.0 |
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| Source: superf = superfamily, o = order | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: base of the Changhsingian to the top of the Rhaetian or 254.14000 to 201.40000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guizhou) | E. costatus (112013) | |
| Ladinian | Italy | Orthostylus hastile (138255 138256) | |
| Ladinian | Slovakia | E. sp. (23867) | |
| Longobardian | Italy | E. dincae (236005) | |
| Julian | Italy | E. badioticus (69669 69676) E. sp. (69675) Melania angusta (137429) Orthostylus fuchsi, Orthostylus badioticus (144631) | |
| Carnian | Hungary (Bakony) | E. balatonicus (203197 203199 203276) E. hastile (203210) | |
| Sevatian | Iran | E. sp. (37959) | |
| Rhaetian | Peru | E. sp. (68096) |