Catalan, Maria Antonina Batac; Yamamoto, Masamichi
(University of Hawaii Press, 1994-04)
The annual reproductive cycles of the Japanese sipunculans
Siphonosoma cumanense (Keferstein) and Phascolosoma scolops (Selenka, de
Man & Biilow) were studied based on size, density, and frequency distribution
of gametes ...