J. F Geys (1979)
Salenoid echinoids from the Maastrichtian (Upper Cretaceous) of Belgium and the Netherlands
Paläontologisches Zeitschrift, vol. 53 p. 296-322.
12361, 107, Lg, MEUSE2, CRET, PAL
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J. F Geys (1979)
Paläontologisches Zeitschrift, vol. 53 p. 296-322.
Document Actions