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Trachydoma variata

Gastropoda - Cycloneritimorpha - Trachyspiridae

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 (2017).

Synonyms
Synonymy list
YearName and author
1836Natica variata Phillips p. 224 figs. pl. 14 f. 27, 27a
1881Naticopsis mammillaris de Koninck p. 14 figs. pl. 2 f. 15-22
1925Naticopsis variata Weir p. 434
1966Naticopsis (Naticopsis) variata Batten p. 64 figs. pl. 7 f. 9-13
1973Naticopsis (Naticopsis) variata Gromczakiewicz-Łomnicka pp. 46 - 47 figs. pl. 9 f. 7
1975Naticopsis (Naticopsis) variata Rollins pp. 26 - 28 figs. f. 10c-d
1997Naticopsis (Naticopsis) variata Pan p. 607 figs. f. 5.10 - 5.11
2017Trachydoma variata Wagner p. S3888

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassNeritimorpha
orderCycloneritimorpha
superfamilyNaticopsoidea
familyTrachyspiridae
genusTrachydoma
speciesvariata()

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.

Diagnosis
ReferenceDiagnosis
J. Weir 1925The shell-structure is somewhat lamellose, there are no closely set transcrescent striae, and the plicistriation of the sutures is absent.