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Fascicosta longaeva

Rhynchonellata - Rhynchonellida - Allorhynchidae

Taxonomy
Rhynchonella longaeva was named by Girty (1909). Its type specimen is USNM 118573a, a shell (Articulated shell), and it is a 3D body fossil.

It was recombined as Fascicosta longaeva by Stehli (1955), Cooper and Grant (1976) and Viaretti et al. (2022).