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Taxonomy
Proetus (Tropidocoryphe) was named by Novak (1890) [Sepkoski's age data: S u D Give-u].
It was reranked as Tropidocoryphe by Jell and Adrain (2002), Sepkoski (2002), Feist and Belka (2018), Van Viersen et al. (2019).
It was assigned to Proetus by Novak (1890); to Proetida by Sepkoski (2002); to Tropidocoryphidae by Jell and Adrain (2002); and to Tropidocoryphinae by Feist and Belka (2018), Van Viersen et al. (2019).
It was reranked as Tropidocoryphe by Jell and Adrain (2002), Sepkoski (2002), Feist and Belka (2018), Van Viersen et al. (2019).
It was assigned to Proetus by Novak (1890); to Proetida by Sepkoski (2002); to Tropidocoryphidae by Jell and Adrain (2002); and to Tropidocoryphinae by Feist and Belka (2018), Van Viersen et al. (2019).