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Morphology Ecology and taphonomy   Age range and collections

Protospirialis

Gastropoda - Euomphalina - Holopeidae

Taxonomy
Protospirialis was named by Clarke (1904) [Sepkoski's age data: D Fras D Fame Sepkoski's reference number: 362]. It is not extant. Its type is Platyostoma minutissimum.

It was assigned to Holopeinae by Knight et al. (1960); and to Archaeogastropoda by Sepkoski (2002).

Synonymy list
YearName and author
1904Protospirialis Clarke
1960Protospirialis Knight et al. p. 239
2002Protospirialis Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassEogastropoda
orderEuomphalina
superfamilyEuomphaloidea()
familyHolopeidae
subfamilyHolopeinae
genusProtospirialis

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