Echinodermata

Erinocystis Jaekel, 1899

Selection of related publications
Regnéll, G. 1948. Echinoderms (hydrophoridae, ophiocistia) from the Ordovician (Upper Skiddavian) of the Oslo region. Norsk Geologisk Tidsskrift 27, 14-58.
Jaekel, O. 1899. Stammesgesihichte der Pelmatozoen. Erster Band. Thecoidea und Cystoidea.
References based on distribution