|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Rhynchonellata - Orthida - Plaesiomyidae
It was reranked as Dinorthis (Plaesiomys) by Schuchert and Cooper (1932).
It was assigned to Dinorthis by Schuchert and Cooper (1932); to Dinorthidae by Wright (1964); to Plaesiomyidae by Macomber (1970), Howe (1988) and Popov et al. (2000); to Plaesiomyinae by Mitchell (1977) and Williams et al. (2000); and to Orthida by Sepkoski (2002).
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