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Olgerdia Grigoreva 1977
urn:lsid:organismnames.com:name:2045316
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Olgerdia Grigoreva 1977
Grigoreva 1977. [Syringothyrids of the Upper Palaeozoic of Siberia and the Arctic. ] Trudy paleont. Inst, 162 1977: 37-54,illust.