|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Rhynchonellata - Orthida - Dalmanellidae
It was assigned to Onnielidae by Opik (1933); to Onniellidae by Opik (1933); to Dalmanellinae by Hints (1975) and Williams et al. (2000); to Orthida by Sepkoski (2002); and to Dalmanellidae by Howe (1988) and Hints and Harper (2015).
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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.