A monograph of the existing crinoids: 1. The Comatulids. Part 5. Suborders Oligophreata (concluded) and Macrophreata
Clark, A.H.; McGown Clark, A. (1967). A monograph of the existing crinoids: 1. The Comatulids. Part 5. Suborders Oligophreata (concluded) and Macrophreata. Bulletin of the United States National Museum, 82. United States Government Printing Office: Washington D.C.860 pp.
Deel van: Bulletin of the United States National Museum. Smithsonian Institution: Washington. ISSN 0362-9236, meer
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