An extended multiconfigurational dynamical symmetry (EMUSY) within the symplectic symmetry approach to clustering is proposed for the general case of multicluster nuclear systems. A characteristic property of the EMUSY is that it includes more general symplectic, i.e., number nonpreserving, transformations which contain the standard number-preserving (unitary) multiconfigurational dynamical symmetry transformations as a special limiting case. In this way, the EMUSY becomes able to connect various possible clusterizations of different multicluster types, as well as various many-particle configurations between the shell, collective, and cluster models of nuclear structure. The theory is briefly illustrated using the nuclear system ${}^{24}\mathrm{Mg}$ as an example.

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• Cluster models
• Collective models
• Models based on symmetries
• Shell model
• 20 ≤ A ≤ 38