Dagys, A. S. (1972). Morfologyia i systematika Mezozoiskikh retsiodnykh brakhiopod [Morphology and systematics of Mesozoic retzioid brachiopods], in:. Morfologicheskie i Filogeneticheskie Voprosy Paleontologii [Morphological and phylogenetic questions of Palaeontology]. Akademiya Nauk SSSR, Sibirskoe Otdelenie, Institut Geologii i Geofiziki, Trudy 112: 94-105.
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Dagys, A. S.
1972
Morfologyia i systematika Mezozoiskikh retsiodnykh brakhiopod [Morphology and systematics of Mesozoic retzioid brachiopods], in:
Morfologicheskie i Filogeneticheskie Voprosy Paleontologii [Morphological and phylogenetic questions of Palaeontology]
Akademiya Nauk SSSR, Sibirskoe Otdelenie, Institut Geologii i Geofiziki, Trudy 112: 94-105