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Morphology Ecology and taphonomy   Age range and collections

Hammatocyclus

Cephalopoda - Goniatitida - Pericyclidae

Taxonomy
Hammatocyclus was named by Schindewolf (1951) [Sepkoski's age data: C Tour-l C Vise-l Sepkoski's reference number: 954,1042]. It is not extant.

It was reranked as Rotopericyclus (Hammatocyclus) by Gordon (1986).

It was assigned to Rotopericyclus by Gordon (1986); to Goniatitida by Sepkoski (2002); and to Pericyclinae by Korn (2006) and Furnish et al. (2009).

Synonymy list
YearName and author
1951Hammatocyclus Schindewolf
1986Rotopericyclus (Hammatocyclus) Gordon, Jr. p. 31
2002Hammatocyclus Sepkoski, Jr.
2006Hammatocyclus Korn
2009Hammatocyclus Furnish et al. p. 26

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea(Zittel 1884)
orderGoniatitidaHyatt 1884
suborderGoniatitinaHyatt 1884
superfamilyPericycloidea(Hyatt 1900)
familyPericyclidaeHyatt 1900
subfamilyPericyclinaeHyatt 1900
genusHammatocyclusSchindewolf 1951

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