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Morphology Ecology and taphonomy   Age range and collections


Demospongea - Megalithistida - Pleromatidae

Pachypoterion was named by Hinde (1884) [Sepkoski's age data: K Albi-u K Camp-l Sepkoski's reference number: 642]. It is not extant.

It was assigned to Lithistida by Sepkoski (2002); and to Pleromatinae by Finks et al. (2004).

Synonymy list
YearName and author
1884Pachypoterion Hinde
2002Pachypoterion Sepkoski, Jr.
2004Pachypoterion Finks et al. p. 260

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phylumPoriferaGrant 1836
classDemospongea(Sollas 1875)
subclassLithistida(Schmidt 1870)
suborderMegamorinaZittel 1878
familyPleromatidaeSollas 1888
subfamilyPleromatinaeSollas 1888
genusPachypoterionHinde 1884

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.

No diagnoses are available