|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Rhynchonellata - Orthida - Dicoelosiidae
It was corrected as Dicaelosia by Amsden (1951).
It was assigned to Dalmanellacea by Amsden (1951); to Dicoelosiidae by Wright (1964), Bassett and Cocks (1974), Mitchell (1977), Jin and Chatterton (1997) and Williams et al. (2000); and to Orthida by Sepkoski (2002).
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