Neue Chitinozoen aus ordovizischen Geschieben und Bemerkungen zur Gattung Illichitina

Six new species of Chitinozoa are described from Middle Ordovician boulders and include the genera Acanthochitina Eisenack 1931, Cylindrochitina gen. n., Illichitina Collinson & Schwalb 1955, and Desmochitina Eisenack 1931. The genus Illichitina Collinson & Schwalb 1955 is restricted and the genus Spinachitina gen. n. is established.