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Turristylus triadicus
Taxonomy
Eustylus triadicus was named by Kittl (1894). Its type specimen is NHMW 1899/V/530 and is a 3D body fossil. Its type locality is St. Cassian (Wiener Hofsmuseums coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.
It was recombined as Trypanostylus triadicus by Kittl (1899) and Batten (1985); it was recombined as Turristylus triadicus by Nützel et al. (2003) and Nützel and Kaim (2014).
It was recombined as Trypanostylus triadicus by Kittl (1899) and Batten (1985); it was recombined as Turristylus triadicus by Nützel et al. (2003) and Nützel and Kaim (2014).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Eustylus triadicus Kittl p. 195 figs. Pl 8, figs 26,27 |
| 1895 | Spirostylus radiciformis Böhm p. 292 figs. Pl 15, fig 10; text-fig 85 |
| 1899 | Trypanostylus triadicus Kittl p. 100 figs. Pl 11, fig 29; text-fig 31 |
| 1985 | Trypanostylus triadicus Batten p. 28 fig. 39 |
| 2003 | Turristylus triadicus Nützel et al. pp. 96 - 97 figs. f, 4,5 |
| 2014 | Turristylus triadicus Nützel and Kaim p. 418 fig. 7i |
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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.
†Turristylus triadicus Kittl 1894
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Invalid names: Spirostylus radiciformis Böhm 1895 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 10.8 | 5.40 | 19.0 | 11.6 | 5.58 | |
| shell diameter | 4 | 2.10 | - | - | 2.10 | - |
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | Malaysia (Perak) | Trypanostylus triadicus (62131) | |
| Ladinian | Italy (Liguria) | Trypanostylus triadicus (44712) | |
| Ladinian | Italy | Spirostylus radiciformis (138255) | |
| Carnian | Hungary (Bakony) | Trypanostylus triadicus (203199 203210 203276) | |
| Julian | Italy | Eustylus triadicus (144631) Trypanostylus triadicus (69673 69679) Turristylus triadicus (163817) | |
| Lacian | USA (Oregon) | Turristylus triadicus (36755) |