†Nicolella oswaldi mediofida Alichova 1951 (lamp shell)
Rhynchonellata - Orthida - Productorthidae
Belongs to Nicolella oswaldi according to Alichova 1951
Sister taxon: Nicolella oswaldi oswaldi
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Paekna quarry, Paekna Fm. (Ordovician of Estonia)