Belousova, Z. D. (1965). Development and change of marine organisms of the border between Paleozoic and Mesozoic: Lower Triassic and Upper Permian ostracods from. Transcaucasus, USSR. Trav.Inst.Paleont.Acad.Sci.URSS. 108: 254-265.
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Belousova, Z. D.
1965
Development and change of marine organisms of the border between Paleozoic and Mesozoic: Lower Triassic and Upper Permian ostracods from