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thiolliericrinid crinoids from the lower cretaceous of crimea

thiolliericrinid crinoids from the lower cretaceous of crimea

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— 659 —JURASSIC L. CRETACEOUSFig. 18 — A scheme <strong>of</strong> <strong>the</strong> origin and <strong>the</strong> development <strong>of</strong> main morphological types <strong>of</strong> <strong>the</strong> Thiolliericrinidae calyxes (<strong>the</strong> dotted arrowssymbolize <strong>the</strong> continued independent development).Schéma de l’origine et du développement des types morphologiques principaux des coupes dorsales des Thiolliericrinidae.P - Pentacrinus, Pc - Paracomatula, St - Solanocrinites, S - Solonaerium, T - Thiolliericrinus, U - Umbocrinus, H - Heberticrinus,B - Burdigalocrinus, С - Conoideocrinus, L - Loriolicrinus.

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