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|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gastropoda - Bellerophontida - Tropidodiscidae
It was assigned to Bucaniellidae by Knight et al. (1960); to Bucanellidae by Starobogatov (1970) and Wahlman (1992); to Cyrtolitidae by Ebbestad and Yochelson (2000); to Bellerophontida by Sepkoski (2002); and to Tropidodiscidae by 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.