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Trachydoma variata

Gastropoda - Cycloneritida - 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), Pan (1997); it was recombined as Trachydoma variata by Wagner (2023).

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
2023Trachydoma variata Wagner p. S3888

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassNeritimorpha
orderCycloneritida()
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.

Trachydoma variata Phillips 1836
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Invalid names: Naticopsis (Naticopsis) mammillaris de Koninck 1881 [synonym]
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.
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilec
Life habit: epifaunalc
Vision: limitedc
Created: 2004-02-29 11:40:59
Modified: 2010-02-11 01:35:02
Source: c = class
Reference: Kiessling 2004

Age range: base of the Kinderhookian to the top of the Bashkirian or 358.86000 to 315.20000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Kinderhookian358.86 - 351.9USA (Iowa) Naticopsis variata (49823 49824 49825)
Arundian346.7 - 339.9Poland (Swietokrzyskie) Naticopsis variata (60116)
Asbian339.9 - 335.9Isle of Man Naticopsis variata (147189)
Brigantian335.9 - 330.3United Kingdom (England) Naticopsis variata (57131)
Bashkirian323.4 - 315.2China (Nei Mongol) Naticopsis variata (673)