|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ammonitida - 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).
|Year||Name and author|
|1875||Ammonites (Stephanoceras) Meneghini|
|1894||Ammonites (Stephanoceras) Crick p. 391|
|1904||Coeloceras (Stephanoceras) Prinz|
|1952||Stephanoceras Arkell p. 270|
|1957||Stephanoceras Arkell et al. p. 289|
|1986||Stephanoceras Sandoval and Westermann p. 1234|
|2002||Stephanoceras Sepkoski, Jr.|
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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.