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Leptoptilum Opik 1930
urn:lsid:organismnames.com:name:766245
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Leptoptilum Opik 1930
Opik 1930. Brachiopoda Protremata der Estlandischen Ordovizischen Kukruse-Stufe. Acta et Commentationes Universitatis Tartuensis A, 17(1) 1930: pp. 1-262