Which of the following molluscs is formed by | vedclass

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(B) Torsion is a characteristic process in the development of gastropods,where the visceral mass,mantle,and shell rotate $180^{\circ}$ relative to the

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Pila

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(B) Torsion is a characteristic process in the development of gastropods,where the visceral mass,mantle,and shell rotate $180^{\circ}$ relative to the head and foot during the larval stage. Among the given options,$Pila$ (apple snail) is a gastropod that exhibits torsion during its development. $Lamellidens$ is a bivalve,while $Sepia$ and $Octopus$ are cephalopods,none of which undergo this specific larval torsion process.

Which of the following molluscs is formed by a larva that undergoes torsion?

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