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Plesiothyreus

Gastropoda - Phenacolepadidae

Taxonomy
Plesiothyreus was named by Cossmann (1888) [Sepkoski's age data: T Eo-m-u R Sepkoski's reference number: 615]. It is extant. Its type is Capulus parmophoroides.

It was assigned to Phenacolepadidae by Lozouet et al. (2001); and to Archaeogastropoda by Sepkoski (2002).

Synonymy list
YearName and author
1888Plesiothyreus Cossmann
2001Plesiothyreus Lozouet et al. p. 20
2002Plesiothyreus Sepkoski, Jr.

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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

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