Reference
Andrzej Radwanski, Herbert Summesberger (2001): A new species of inarticulate brachiopods, Discinisca zapfei sp.n., from the Upper Triassic Zlambach Formation (Northern Calcareous Alps, Austria), and a discussion of other Triassic disciniscans – Annalen des Naturhistorischen Museums in Wien – 102A: 109 - 129.