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Hemiptychoceras

Cephalopoda - Ammonitida - Hamitidae

Taxonomy
Hemiptychoceras was named by Spath (1925) [Sepkoski's age data: K Albi-u K Ceno-l]. Its type is Ptychoceras gaultinum.

It was assigned to Hamitidae by Kennedy (1994); and to Ammonoidea by Sepkoski (2002).

Synonymy list
YearName and author
1925Hemiptychoceras Spath
1994Hemiptychoceras Kennedy p. 231
2002Hemiptychoceras Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAncyloceratinaWiedmann 1966
superfamilyTurrilitoidea(Gill 1871)
familyHamitidaeGill 1871
genusHemiptychocerasSpath 1925

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