|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Rhynchonellida - Hemithirididae
It was corrected as Hemithyris by Dall (1895); it was misspelled as Hemithyris by Cooper (1959), Williams et al. (2002) and Sepkoski (2002).
It was assigned to Brachiopoda by Dall (1895); to Hemithyridae by Cooper (1959); to Rhynchonellida by Sepkoski (2002); and to Hemithirididae by Williams et al. (2002).
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.