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Eduncle posted an MCQ
October 18, 2019 • 22:41 pm 0 points
  • IIT JAM
  • Geology (GG)

A helically coiled ammonite Turrilites is differentiated from externally resembling Gastropoda Turritella by

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    Eduncle Best Answer

    Ammonites have chambered shell. The chambers are separated by septa gastropods, on the other hand, do not have chambered shell. Gastropod shell may have a rod-like structure called columella but chambers are not present in gastropod shell.
    So, option (D) is correct.

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