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Plesiothyreus ancyliformis

Gastropoda - Phenacolepadidae

Taxonomy
Pileopsis ancyliformis was named by Grateloup (1828) [DISTRIBUTION: Early Miocene; France.]. It is not a trace fossil.

It was recombined as Capulus ancyliformis by d'Orbigny (1852); it was recombined as Plesiothyreus ancyliformis by Lozouet et al. (2001).

Synonymy list
YearName and author
1828Pileopsis ancyliformis Grateloup p. 81
1852Capulus ancyliformis d'Orbigny p. 18
2001Plesiothyreus ancyliformis Lozouet et al. p. 20

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassOrthogastropoda
superorderNeritopsinaCox 1960
superfamilyNeritoidea(Rafinesque 1815)
familyPhenacolepadidaePilsbry 1895
genusPlesiothyreusCossmann 1888
speciesancyliformis(Grateloup 1828)

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
No diagnoses are available