Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati arch region (SuDoc I 19.16:1066-0)
from $22.85
Paleontographical Society, Vol. 46: Stromatoporoids, Part IV (Conclusions), Pages 203-234, Plates XXVI-XXIX; Palæozoic Phyllopoda (Phyllocarida, Packard), Part II, Some Bivalved and Univalved Species
from $29.27
More results from Amazon »