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Biostratigraphie und Ammonitenfauna des Ober-Lotharingium und Unter-Pliensbachium im Klettgau (Kanton Schaffhausen, Schweiz) und angrenzender Gebiete / Ammonites (mainly Gregoryceras) of the Oxfordian (Late Jurassic) in northern Chile and time-correlation with Europe.
1991 Two papers in one. 185 [133, 52] p., 30 [21, 9] plates, numerous text figures, folded chart in rear pocket, large 4to (31.0 x 23.0 cm). Pictorial laminated boards.Two monographs, both well-illustrated, on Mesozoic ammonites, the first, by Schlatter, dealing with faunas from the Lias (Trias), the second, by Gygi and von Hillebrandt, with Jurassic species. Both published together in the series, Schweizerische Paläontologische Abhandlungen, this being the whole volume 113. Stamps (cancelled) on the front flyleaf and title, otherwise a very good clean copy.
