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Trachydoma variata
Taxonomy
Natica variata was named by Phillips (1836). It is not a trace fossil.
It was recombined as Naticopsis variata by Weir (1925); it was recombined as Naticopsis (Naticopsis) variata by Batten (1966), Gromczakiewicz-Łomnicka (1973), Rollins (1975) and Pan (1997); it was recombined as Trachydoma variata by Wagner (2023).
It was recombined as Naticopsis variata by Weir (1925); it was recombined as Naticopsis (Naticopsis) variata by Batten (1966), Gromczakiewicz-Łomnicka (1973), Rollins (1975) and Pan (1997); it was recombined as Trachydoma variata by Wagner (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1836 | Natica variata Phillips p. 224 figs. pl. 14 f. 27, 27a |
| 1881 | Naticopsis mammillaris de Koninck p. 14 figs. pl. 2 f. 15-22 |
| 1925 | Naticopsis variata Weir p. 434 |
| 1966 | Naticopsis (Naticopsis) variata Batten p. 64 figs. pl. 7 f. 9-13 |
| 1973 | Naticopsis (Naticopsis) variata Gromczakiewicz-Łomnicka pp. 46 - 47 figs. pl. 9 f. 7 |
| 1975 | Naticopsis (Naticopsis) variata Rollins pp. 26 - 28 figs. f. 10c-d |
| 1997 | Naticopsis (Naticopsis) variata Pan p. 607 figs. f. 5.10 - 5.11 |
| 2023 | Trachydoma variata Wagner p. S3888 |
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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.
†Trachydoma variata Phillips 1836
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Invalid names: Naticopsis (Naticopsis) mammillaris de Koninck 1881 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Weir 1925 | The shell-structure is somewhat lamellose, there are no closely set transcrescent striae, and the plicistriation of the sutures is absent. |