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Stephanoceras

Cephalopoda - Ammonitida - Stephanoceratidae

Taxonomy
Stephanoceras was named by Waagen (1869) [Sepkoski's age data: J Aale J Bajo-u Sepkoski's reference number: 302]. It is not extant. It is the type genus of Stephanocerataceae, Stephanoceratidae.

It was reranked as Ammonites (Stephanoceras) by Meneghini (1875) and Crick (1894); it was reranked as Coeloceras (Stephanoceras) by Prinz (1904); it was misspelled as Stepheoceras by Roman (1930), Arkell (1952), Arkell et al. (1957), Sandoval and Westermann (1986) and Sepkoski (2002).

It was assigned to Ammonites by Meneghini (1875) and Crick (1894); to Coeloceras by Prinz (1904); to Ammonitida by Roman (1930); to Stephanoceratidae by Arkell (1952) and Arkell et al. (1957); to Stephanoceratinae by Sandoval and Westermann (1986); and to Ammonoidea by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1869Stephanoceras Waagen
1875Ammonites (Stephanoceras) Meneghini
1894Ammonites (Stephanoceras) Crick p. 391
1904Coeloceras (Stephanoceras) Prinz
1927Kreterostephanus Buckman
1930Stepheoceras Roman
1952Stephanoceras Arkell p. 270
1957Stephanoceras Arkell et al. p. 289
1986Stephanoceras Sandoval and Westermann p. 1234
2002Stephanoceras 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
superfamilyStephanoceratoidea(Newmayr 1875)
familyStephanoceratidaeNeumayr 1875
subfamilyStephanoceratinaeNeumayr 1875
genusStephanocerasWaagen 1869

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