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Sphenaulax

Hexactinellida - Innaecoeliida - Craticulariidae

Taxonomy
Sphenaulax was named by Zittel (1877) [Sepkoski's age data: J Call-l J Oxfo-u Sepkoski's reference number: 868]. It is not extant.

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

Synonyms
Synonymy list
YearName and author
1877Sphenaulax Zittel
1989Calycospongia Wu and Xiao
2002Calycospongia Sepkoski
2002Sphenaulax Sepkoski
2004Sphenaulax Finks et al.

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RankNameAuthor
kingdomAnimalia()
phylumPoriferaGrant 1836
classHexactinellidaSchmidt 1870
orderInnaecoeliidaBoiko 1990
RankNameAuthor
familyCraticulariidaeRauff 1893
subfamilyCraticulariinaeRauff 1893
genusSphenaulaxZittel 1877

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.

G. †Sphenaulax Zittel 1877
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Sphenaulax costata Goldfuss 1826
Sphenaulax globosa Lagneau-Herenger 1962
Sphenaulax infundibuliforma Rigby et al. 1998
Sphenaulax irregularis Pisera 1997
Sphenaulax piriformis Gerasimov 1960
Sphenaulax subargillaceus Gerasimov 1960
Invalid names: Calycospongia Wu and Xiao 1989 [synonym]
Diagnosis
No diagnoses are available