Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUltrastructural investigations on sperm penetration and gamete fusion in the ascidians Boltenia villosa and Phallusia mammillataAuthorsXie, M.; Honegger, T. G.SubjectsBOLTENIA villosa; SPERM-ovum interactionsPublicationMarine Biology, 1993, Vol 116, Issue 1, p117ISSN0025-3162Publication typeArticleDOI10.1007/BF00350739