A manual of elementary zoology . Zoology. HYDRA AND OBELIA. POLYPS AND MEDUSA. 175. --ect. -end. perith. Fig. 109.—Part of a colony of Obelia, magnified. bl., Blastostyle ; ect., ectoderm ;
Obelia longissima
Obelia - Structure, Diagram, Life Cycle | Solved Question
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Department of Zoology at ANDC/Zoology Museum/Museum specimens/Cnidaria/ Obelia - WikiEducator