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Demospongea - Agelasida - Sestrostomellidae

Polysiphonella was named by Russo (1981) [Sepkoski's age data: P Leon-m Tr Carn Sepkoski's reference number: 204]. It is not extant.

It was assigned to Calcarea by Sepkoski (2002); and to Sestrostomellidae by Senowbari-Daryan and Link (2016).

Synonymy list
YearName and author
1981Polysiphonella Russo
2002Polysiphonella Sepkoski, Jr.
2016Polysiphonella Senowbari-Daryan and Link

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phylumPoriferaGrant 1836
classDemospongea(Sollas 1875)
subclassCeractinomorphaLevi 1953
orderAgelasidaVerrill 1907
familySestrostomellidaeLaubenfels 1955
genusPolysiphonellaRusso 1981

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