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Hexactinellida - Lychniscosa - Ventriculitidae

Orthodiscus was named by Schrammen (1924) [Sepkoski's age data: K Turo K Maes Sepkoski's reference number: 641]. It is not extant. Its type is Orthodiscus fragilis.

It was assigned to Ventriculitinae by Lagneau-Herenger (1962); and to Lychniscosa by Sepkoski (2002).

Synonymy list
YearName and author
1924Orthodiscus Schrammen
1962Orthodiscus Lagneau-Herenger
2002Orthodiscus Sepkoski, Jr.

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phylumPoriferaGrant 1836
classHexactinellidaSchmidt 1870
orderLychniscosaSchrammen 1903
familyVentriculitidaeSmith 1848
subfamilyVentriculitinaeSmith 1848
genusOrthodiscusSchrammen 1924

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