Dagys, A. S. (1974). Triasovye brakhiopody (morfologia, sistema, filogeniia, stratigraficheskoe znachenie i biogeografiia [Triassic brachiopods (morphology, classification, phylogeny, stratigraphical significance and biogeography)]. Akademiya Nauk SSSR, Sibirskoe Otdelenie, Institut Geologii i Geofiziki, Trudy. 214: 1-386.
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Dagys, A. S.
1974
Triasovye brakhiopody (morfologia, sistema, filogeniia, stratigraficheskoe znachenie i biogeografiia [Triassic brachiopods (morphology, classification, phylogeny, stratigraphical significance and biogeography)]
Akademiya Nauk SSSR, Sibirskoe Otdelenie, Institut Geologii i Geofiziki, Trudy