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†Pjatkovaspellus Khairullina 1973
urn:lsid:organismnames.com:name:2109688
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70
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†Pjatkovaspellus Khairullina 1973
Khairullina 1973. [Biostratigraphy and trilobites of the Maiskov Stage, Middle Cambrian of the Turkestan Mountains] FAN Uzbek. SSR, Tashkent, 1973: 1-112