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Holcodiscus

Cephalopoda - Ammonitida - Holcodiscidae

Taxonomy
Holcodiscus was named by Uhlig (1882) [Sepkoski's age data: K Haut-u K Barr-l Sepkoski's reference number: 1066]. Its type is Ammonites caillaudianus.

It was assigned to Ammonoidea by Sepkoski (2002); and to Holcodiscidae by Haas (1960) and Klein (2005).

Synonymy list
YearName and author
1882Holcodiscus Uhlig pp. 86, 93
1960Holcodiscus Haas p. 56
2002Holcodiscus Sepkoski, Jr.
2005Holcodiscus Klein p. 125

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctaceaeSteinman 1890
familyHolcodiscidaeSpath 1924
genusHolcodiscusUhlig 1882

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