Rhynchonellata - Orthida - Orthidae
Belongs to Orthis according to Nicholson 1875
Sister taxa: Orthis (Finkelnburgia), Orthis (Orusia), Orthis acuminata, Orthis australis, Orthis berthoisi, Orthis biloba, Orthis bilobata, Orthis callactis, Orthis christianae, Orthis cypha, Orthis davidsoni, Orthis expansa, Orthis gwalia, Orthis intercostata, Orthis kreklingensis, Orthis laticostata, Orthis perveta, Orthis piger, Orthis reversa, Orthis ribeiroi, Orthis spinigera, Orthis subalata, Orthis subvulvaria, Orthis testudinaria, Orthis tulliensis
Subtaxa: Orthis biforata reversata
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Brockocystis-Anartiocystis Association of the Brassfield (Silurian of Indiana)
Specimen images are retrieved through the ePANDDA API.
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