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Pachyceras

Cephalopoda - Ammonitida - Pachyceratidae

Taxonomy
Pachyceras was named by Bayle (1878) [Sepkoski's age data: J Call-u J Oxfo-l]. It is the type genus of Pachyceratidae.

It was assigned to Pachyceratidae by Arkell (1952) and Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).

Synonymy list
YearName and author
1878Pachyceras Bayle
1952Pachyceras Arkell p. 291
1957Pachyceras Arkell et al. p. 297
2002Pachyceras Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyPachyceratidaeBuckman 1918
genusPachycerasBayle 1878

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