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University of the Pacific Theses and Dissertations

1977

Spionidae

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Studies On The Reproduction And Larval Biology Of Polydora Giardi Mesnil (Polychaeta: Spionidae), Randy L. Day Jan 1977

Studies On The Reproduction And Larval Biology Of Polydora Giardi Mesnil (Polychaeta: Spionidae), Randy L. Day

University of the Pacific Theses and Dissertations

There are no published accounts of larval development for P. giardi, although Mesnil (1896) determined his populations to be simultaneous hermaphrodites. The present paper describes aspects of the reproductive biology and larval development of P. girardi and presents descriptions and illustrations of developing larvae and recently metamorphosed juveniles.