The 'young Holopus' of Carpenter (1884): juvenile stage or a species of its own?
Améziane, N.; Bourseau, J.-P.; Heinzeller, T.; Welsch, U. (1998). The 'young Holopus' of Carpenter (1884): juvenile stage or a species of its own?, in: Mooi, R. et al. (Ed.) Echinoderms: San Francisco: Proceedings of the Ninth International Echinoderm Conference, San Francisco, California, USA, 5-9 August, 1996. pp. 121-125
In: Mooi, R.; Telford, M. (Ed.) (1998). Echinoderms: San Francisco - Proceedings of the Ninth International Echinoderm Conference, San Francisco, California, USA, 5-9 August, 1996. A.A. Balkema: Rotterdam. ISBN 90-5410-929-7. XXXII, 923 pp., meer
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