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An exceptional event during the moulting process of an eutardigrade: two bucco-pharyngeal apparatuses present



A specimen of Diphascon (Diphascon) procerum with two bucco-pharyngeal apparatuses (one of which should have been expelled during moulting process) is described, and that anomalous condition is discussed.



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Baumann, H. (1961) Der Lebenslauf von Hypsibius (H.) convergens Urbanowicz (Tardigrada). Zoologischer Anzeiger, 165, 123–128.

Baumann, H. (1966) Lebenslauf und Lebensweise von Hypsibius (H.) oberhaeuseri Doyère (Tardigrada). Veröeffentlichungen aus den Üebersee-Museum, 3, 2.

Cesari, M., Guidetti, R., Rebecchi, L., Giovannini, I. & Bertolani, R. (2013) A DNA barcoding approach in the study of tardigrades. Journal of Limnology, 72 (s1), 182–198.

Grohé, G. (1976) Das marine Bartierchen Echiniscoides sigismundi. Mikrokosmos, 5, 129–132.

Kristensen, R.M. (1976) On the fine structure of Batillipes noerrevangi Kristensen, 1976. I. Tegument and moulting cycle. Zoologischer Anzeiger, 197, 129–150.

Marcus, E. (1929) Tardigrada. In: Bronn, H.G. (Ed.), Klassen und Ordnungen des Tierreichs, 5, pp. 1–608.

Pilato, G. (1979) Correlations between cryptobiosis and other biological characteristics in some soil animals. Bollettino di Zoologia, 46, 319–332.

Pilato, G., Sabella, G. & Lisi, O. (2014) Two new tardigrade species from Sicily. Zootaxa, 3754 (2), 173–184.

Ramazzotti, G. (1962) Il phylum Tardigrada. Memorie dell’Istituto Itliano di Idrobiologia, 15, 1–595.

Walz, B. (1982) Molting in Tardigrada. A review including new results on cuticle formation in Macrobiotus hufelandi. In: Nelson, D.R. (Ed.), Proceedings of the third international symposium on the Tardigrada. East Tennessee State University Press, USA, pp. 129–142.


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ISSN 1175-5326 (Print Edition) & ISSN 1175-5334 (Online Edition)
Published by Magnolia Press, Auckland, New Zealand
A founding journal of Biotaxa