Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Aconeceras (Gyaloceras)

Cephalopoda - Ammonitida - Oppeliidae

Taxonomy
Gyaloceras was named by Whitehouse (1927) [Sepkoski's age data: K Apti-u K Albi-u].

It was reranked as Aconeceras (Gyaloceras) by Wright et al. (1996).

It was assigned to Aconeceratidae by Whitehouse (1927); to Aconeceratinae by Arkell et al. (1957); to Aconeceras by Wright et al. (1996); and to Ammonoidea by Sepkoski (2002).

Synonymy list
YearName and author
1927Gyaloceras Whitehouse p. 114
1957Gyaloceras Arkell et al. p. 286
1996Aconeceras (Gyaloceras) Wright et al.
2002Gyaloceras Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyHaploceratoidea(Zittel 1884)
familyOppeliidaeBonarelli 1894
subfamilyAconeceratinae(Spath 1923)
genusAconecerasHyatt 1903
subgenusGyaloceras()

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