Triassic Floras of Eurasia by Dobruskina I.A.

By Dobruskina I.A.

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In the French part of the basin the Keuper flora (the Middle Keuper flora) has been described from some localities in Lorraine (Gemmelaincourt, N"orroy, Suriauville, Vic) where it is represented chiefly by sphenopsids (list 7). The Rhaetian flora of Coburg consists of two species (list 8 a): Lepidopteris ottonis and Laccopteris elegans. The Seinstedt flora (list 8 b) was collected during the middle of the last century from a small shaft. It also contains Lepidopteris ottonis. This flora is easily distinguished from plant assemblages of the Schilfsandstein and Lettenkohle because there are practically no common species.

Plants 4] (conifers) of the marls with Voltzia were described by ZIGNO (1862) who considered the strata to be Late Triassic or Early Liassic in age. The plants occur at two horizons in the "marls with Voltzia". The upper is considered to be of the Anisian age the lower one is now referred to Permian (letter communication of Dr. V. DE ZANKE from Padova). SCHENK (1868) later referred to the majority of conifers from this locality as the genus Voltzia. The same species of Voltzia - V. recubariensis has also been described from coeval deposits at another locality not far from Recoaro (SELLT , 1938).

According to STUR the Raibl flora is a flora of chalky reefs south of a Central Ridge which was exposed to storms by the open sea and the Lunz flora was a peatbog flora at the south margin of Bohemian High Plateau which was situated to the north of the Central Ridge . The flora of northern Switzerland (near Basel) was similar to the Lunz flora in this respect. Several palynological assemblages have been studied from the Lunzer Schichten. Five species of miospores which are important for stratigraphical correlations were described from there by KLAUS (1960) and 37 species were described by BHARADWAJ and SINGH (1963/1964) from the coal measures in the Lunzer Schichten.

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