Kristensen, Reinhardt M. and Eibye-Jacobsen, D. 1995. Ultrastructure of spermiogenesis and spermatozoa in Diurodrilus subterraneus (Polychaeta, Diurodrilidae). Zoomorphology 115: 117-132.
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Kristensen, R. M.; Eibye-jacobsen, D.
1995
Ultrastructure of spermiogenesis and spermatozoa in Diurodrilus subterraneus