|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Murchisoniina - Murchisoniidae
It was recombined as Murchisonia (Sinuspira) tenera by Knight et al. (1960) and Peel (1977); it was recombined as Michelia tenera by Wagner (1999) and Wagner (2017).
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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.