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Demospongea - Anthaspidellidae

Rankenella was named by Kruse (1983) [Sepkoski's age data: Cm lMid-l Sepkoski's reference number: 205,766]. It is not extant. Its type is Arborella mors.

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

  • Arborella was named by Gatehouse (1968). It is not extant.

    It was replaced with Rankenella by Kruse (1983).
Synonymy list
YearName and author
1968Arborella Gatehouse
1983Rankenella Kruse
2002Rankenella Sepkoski, Jr.
2004Rankenella Finks et al. p. 89

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phylumPoriferaGrant 1836
classDemospongea(Sollas 1875)
subclassLithistida(Schmidt 1870)
suborderOrchocladinaRauff 1895
familyAnthaspidellidaeMiller 1889
genusRankenellaKruse 1983

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