†Orthis biforata reversata Foerste 1885 (lamp shell)
Rhynchonellata - Orthida - Orthidae
Alternative combination: Platystrophia reversata
Belongs to Orthis biforata according to Foerste 1885
Sister taxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Brockocystis-Anartiocystis Association of the Brassfield (Silurian of Indiana)