Paratirolites kittli, Stoyanow, 1910

Stoyanow, A. A., 1910, On the character of the boundary of Palaeozoic and Mesozoic near Djulfa., Zapiski Imperatorskago St. - Peterburgskago Mineralogiceskago Obscestva = Verhandlungen der Russisch-Kaiserlichen Mineralogischen Gesellschaft zu St. Petersburg, Serie 2 47, pp. 61-136 : 82

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