Shivam sharma Asked a Question
September 4, 2020 9:19 ampts 30 pts
Given below is a list of gastropods. Conus, Turitella, Vermetus, Calliostoma, Aporrhais, Acteonella, Schizostoma, Bellerophon Identify the biconical, discoidal and turretted forms. Biconical: Discoidal: Turretted: Distinguish between holostomatous and siphonostomatous apertures in gastropods.
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  • Sajan sarthak sahoo Best Answer
    vermetus,schizostoma, Bellerophon :- discoidal calliostoma,conus,turitella :- turretted
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  • Shivam sharma
    Handwriting is difficult to understand
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  • Shivam sharma
    what is apparture or aperture ?
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