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Thorsteinssonoceras

Cephalopoda - Ammonitida - Polyptychitidae

Taxonomy
Thorsteinssonoceras was named by Jeletzky (1965) [Sepkoski's age data: K Vala-l]. Its type is Thorsteinssonoceras ellesmerensis.

It was assigned to Craspeditidae by Jeletzky (1965); to Ammonoidea by Sepkoski (2002); and to Tolliinae by Alsen (2006).

Synonymy list
YearName and author
1965Thorsteinssonoceras Jeletzky p. 1
2002Thorsteinssonoceras Sepkoski, Jr.
2006Thorsteinssonoceras Alsen p. 74

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctaceaeSteinman 1890
familyPolyptychitidaeWedekind 1918
subfamilyTolliinaeSpath 1952
genusThorsteinssonoceras

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