|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Cephalopoda - Nautilida - Tainoceratidae
It was reranked as Metacoceras (Tainionautilus) by Reed (1944).
It was assigned to Temnocheilos by Frech (1905); to Metacoceras by Reed (1944); to Tainoceratidae by Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
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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.