|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Ammonitida - Polyptychitidae
It was reranked as Olcostephanus (Polyptychites) by Pavlow (1892).
It was assigned to Olcostephanus by Pavlow (1892); to Polyptychitidae by Bogomolov (1989); to Ammonoidea by Imlay (1960) and Sepkoski (2002); and to Polyptychitinae by Kemper and Jeletzky (1979), Jeletzky and Kemper (1988) and Alsen (2006).
|Year||Name and author|
|1892||Olcostephanus (Polyptychites) Pavlow figs. pl. 8, figs. 10|
|1960||Polyptychites Imlay p. 204|
|1979||Polyptychites Kemper and Jeletzky p. 1|
|1988||Polyptychites Jeletzky and Kemper p. 44|
|1989||Polyptychites Bogomolov p. 51|
|2002||Polyptychites Sepkoski, Jr.|
|2006||Polyptychites Alsen p. 79|
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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.