Reference

U. Radwanska, A. Radwanski ((1986)): A new species of inarticulate brachiopods, Discinisca steiningeri sp. nov., from the Late Oligocene (Egerian) of Plesching near Linz, Austria – Annln naturh. Mus. Wien, Ser. A Mineralog. Petrogr. Geol.... – 90: 67 - 82.