Reproductive System of Hutchinsoniella macracantha

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Science  19 Jun 1970:
Vol. 168, Issue 3938, pp. 1464
DOI: 10.1126/science.168.3938.1464


The cephalocarid crustacean Hutchinsoniella macracantha is a hermaphroditic species. Ova and sperm develop simultaneously. Ovaries and testes are separate, but the oviducts and vasa deferentia join and exit through a pair of common genital ducts.

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