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Free Content Observations on Development of the Heteropod Molluscs Pterotrachea Hippocampus and Firoloida Desmaresti

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The nidamentary filaments and various developmental stages up to veliger larva of Pterotrachea hippocampus Philippi 1836 and Firoloida desmaresti Lesueur 1817 are described and illustrated. General information on the late veliger and the newly metamorphosed female of the latter species is included. Apparently the filament of P. hippocampus is a typical “egg string” which serves to encase only one batch of spawn whereas that of F. desmaresti is a permanent structure. In the laboratory, both species, developed from fertilized egg to free-swimming larva in approximately 48 hours.

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Document Type: Research Article

Publication date: 1964-01-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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