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Trizonoceras

Cephalopoda - Goniatitida - Dimorphoceratidae

Taxonomy
Trizonoceras was named by Girty (1909) [Sepkoski's age data: C Vise-u C Serp-l Sepkoski's reference number: 302,304]. It is not extant. Its type is Trizonoceras typicale.

It was assigned to Goniatitida by Sepkoski (2002); and to Dimorphoceratinae by Korn (2006) and Furnish et al. (2009).

Synonymy list
YearName and author
1909Trizonoceras Girty
2002Trizonoceras Sepkoski, Jr.
2006Trizonoceras Korn
2009Trizonoceras Furnish et al. p. 40

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea(Zittel 1884)
orderGoniatitidaHyatt 1884
suborderGoniatitinaHyatt 1884
superfamilyDimorphoceratoidea()
familyDimorphoceratidae
subfamilyDimorphoceratinae
genusTrizonocerasGirty 1909

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