Multi-dimensional marine organisms dataviewer

Phallusia and Paracentrotus embryos

Organism : Ascidian
Species : Phallusia mammillata
Description : Smaller embryos of sea urchins and larger embryos of ascidians (sea squirts) develop together. Dividing every 45 minutes. At the hollow ball (blastula) stage smaller sea urchin embryos escape from their fertilization envelope. The larger ascidian embryos grow a tail and become tadpoles. Sea Urchin Paracentrotus lividus, Ascidian Phallusia mamillata, Christian Sardet.
Project : Biologymultimedia
Website : http://www.biologymultimedia.com
Tags : Tadpole Phallusia mammillata 8 cell stage
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