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Orbiculatisinurostrum
Taxonomy
Orbiculatisinurostrum was named by Saertenaer (1984) [Sepkoski's age data: D Fras Sepkoski's reference number: 881].
It was assigned to Rhynchonellida by Sepkoski (2002); and to Leiorhynchinae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Leiorhynchinae by Williams et al. (2002).
Species