Zeitschriftenartikel
Heinzeller, T.; Fricke, H.; Bourseau, J.; Ameziane-Cominardi, N.; Welsch, U.: Cyathidium plantei sp. n., an extant cyrtocrinid (Echinodermata, Crinoidea) — Morphologically identical to the fossil Cyathidium depressum (Cretaceous, Cenomanian). Zoologica Scripta
25 (1), S. 77 - 84 (1996)