O. Lobularis

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“Diagrammatic representation of development of Oscarella lobularis. Bl., Free-swimming blastula with flagella; G., gastrula settled down. Next figure shows folding of inner layer (En.); Ec., outer layer. Lowest figure shows radial chambers (R.C.); Mesogloea (Mg.); inhalant pore (P.); exhalant osculum (O.).” -Thomson, 1916

Keywords

porifera, flagella, osculum, Mesogloea, gastrula, sponge development, Oscarella lobularis, free-swimming blastula

Galleries

Sponges

Source

J. Arthur Thomson, M.A., LL.D. Outlines of Zoology (New York, NY: D. Appleton & Company, 1916)

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