Bohn JM, Heinzeller T (1999) Morphology of the bourgueticrinid and isocrinid aboral nervous system and its possible phylogenetic implications (Echinodermata, Crinoidea). Acta Zoologica 80:241–249, 2 fig.
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Bohn, JM.; Heinzeller, T.
1999
Morphology of the bourgueticrinid and isocrinid aboral nervous system and its possible phylogenetic implications