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Collection Authorizer Collection name Reference
80259W. Kiessling Kotnak Mountains, Betpak-Dala desert, sample 1018a Caradoc - Ordovician 4 - Kazakhstan Popov et al. (2002)
80261W. Kiessling Kotnak Mountains, Betpak-Dala desert, sample 1018 Caradoc - Ordovician 4 - Kazakhstan Popov et al. (2002)

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