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Trachysycon

Demospongea - Tetralithistida - Siphoniidae

Taxonomy
Trachysycon was named by Zittel (1878) [Sepkoski's age data: K Albi-u K Sn]. It is not extant.

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

Synonymy list
YearName and author
1878Trachysycon Zittel
2002Trachysycon Sepkoski, Jr.
2004Trachysycon Finks et al.

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RankNameAuthor
kingdomAnimalia()
phylumPoriferaGrant 1836
classDemospongea(Sollas 1875)
subclassLithistida(Schmidt 1870)
orderTetralithistidaLagneau-Hérenger 1962
RankNameAuthor
suborderTetracladinaZittel 1878
familySiphoniidaed'Orbigny 1851
subfamilyPhymatellinaeSchrammen 1910
genusTrachysyconZittel 1878

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