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Sphenarpites

Cephalopoda - Ammonitida - Hildoceratidae

Taxonomy
Sphenarpites is a genus. It is not extant.

It was assigned to Ammonoidea by Sepkoski (2002); and to Harpoceratinae by Howarth (2013).

Synonymy list
YearName and author
2002Sphenarpites Sepkoski
2013Sphenarpites Howarth p. 76

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyHildoceratoidea(Hyatt 1867)
familyHildoceratidaeHyatt 1867
subfamilyHarpoceratinaeNeumayr 1875
genusSphenarpites

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.

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Diagnosis
No diagnoses are available