Variation de la spiculation au cours de la croissance chez Neopentadactyla mixta (Östergren) 1898 (Holothurioidea, Phyllophoridae) = Variation of the spiculation during the growth in Neopentadactyla mixta
Féral, J.-P. (1980). Variation de la spiculation au cours de la croissance chez Neopentadactyla mixta (Östergren) 1898 (Holothurioidea, Phyllophoridae) = Variation of the spiculation during the growth in Neopentadactyla mixta. Cah. Biol. Mar. 21(1): 401-49
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094, more
The skeleton of a young specimen of N. mixta (stage 18 tentacles), collected in Roscoff presents intermediary characteristics between younger individuals and adults. This specimen is completely described. Some peculiarities of very young exemplars and adult skeletons of the species are pointed out. The variation of some types of spicules during growth brings up the question of the choice among taxonomic criteria and their hierarchical gradation.
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