|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Lingulata - Lingulida - Disciniidae
It was reranked as Discina (Orbiculoidea) by Troedsson (1918); it was misspelled as Orbiculoides by Jillson (1919), Hoare (1961), Wright (1963), Mitchell (1977), Owen and Harper (1982), Holmer (1987), Holmer (1989), Williams et al. (2000) and Sepkoski (2002).
It was assigned to Discina by Troedsson (1918); to Brachiopoda by Jillson (1919); to Orbiculoideinae by Wright (1963), Mitchell (1977), Owen and Harper (1982), Holmer (1987) and Holmer (1989); to Disciniidae by Hoare (1961) and Williams et al. (2000); and to Acrotretida by Sepkoski (2002).
|Year||Name and author|
|1918||Discina (Orbiculoidea) Troedsson p. 35|
|1919||Orbiculoides Jillson p. 101|
|1961||Orbiculoidea Hoare p. 22|
|1982||Orbiculoidea Owen and Harper|
|2000||Orbiculoidea Williams et al. p. 90|
|2002||Orbiculoidea Sepkoski, Jr.|
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