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Sphenodiscus

Cephalopoda - Ammonitida - Sphenodiscidae

Synonymy list
YearName and author
1871Sphenodiscus Meek
1985Sphenodiscus Zaborski p. 57
1986Sphenodiscus Kennedy p. 176
1996Sphenodiscus Kennedy and Cobban p. 801
1996Sphenodiscus Kennedy et al. p. 11
1997Sphenodiscus Kennedy et al. p. 4
2002Sphenodiscus Sepkoski, Jr.
2003Sphenodiscus Landman and Cobban p. 15

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyAcanthoceratoidea(de Grossouvre 1894)
familySphenodiscidaeHyatt 1900
genusSphenodiscusMeek 1871

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