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Pentremites

Spiraculata - Pentremitidae

Discussion

Type Species- Encrina godonii DeFrance, 1819

Taxonomy
Pentremites was named by Say (1820) [Sepkoski's age data: C Tour-u C Serp-l Sepkoski's reference number: 520,904]. It is not extant.

It was assigned to Pentremitidae by Say (1820); and to Spiraculata by Sepkoski (2002).

Synonymy list
YearName and author
1820Pentremites Say
2002Pentremites Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoaSprinkle 1973
subclassBlastoideaSay 1825
orderSpiraculataJaekel 1918
familyPentremitidaed'Orbigny 1851
genusPentremitesSay 1820

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