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Mellarium

Gastropoda - Pleurotomariidae

Taxonomy
Mellarium was named by Waterhouse (1960) [Sepkoski's age data: Tr Ladi Sepkoski's reference number: 157].

It was assigned to Pleurotomariidae by Waterhouse (1960); and to Archaeogastropoda by Sepkoski (2002).

Synonymy list
YearName and author
1960Mellarium Waterhouse pp. 271 - 272
2002Mellarium Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassOrthogastropoda
superorderVetigastropodaSalvini-Plawen 1980
superfamilyPleurotomarioidea(Swainson 1840)
familyPleurotomariidaeSwainson 1840
genusMellarium

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. B. Waterhouse 1960Cryptomphalous, medium-sized globular turbiniform pleurotomariids; slit placed above mid-height of the whorl, one fifth of the whorl circumference deep; selenizone narrow and convex, either smooth or ornamented with nodules; whorl periphery lies below selenizone, whorl profile subangular, and slightly concave above the slit, base flattened; whorls ornamented by strong revolving costae or nodules.