“…Since mollusc species are only active in their growing season (approx. the vegetation season) and became anabiotic during the rest of the year (Frömming, 1954), concluding the annual mean temperature just from the snail fauna composition is scientifically not established (Sümegi, 1989(Sümegi, , 19962007;Sümegi and Krolopp, 2002), but were employed in some articles (Schatz et al, 2014(Schatz et al, , 2015. To prove annual mean temperatures in MIS2 stage using data from Hungarian meteorological stations (Schatz et al, 2014(Schatz et al, , 2015, or data from the malacothermometer, which only provides July mean temperatures (Schatz et al, 2015).…”