1. (Laboratory of Palaeobotany and Palynology, Utrecht University, Budapestlaan 4, NL-3584 CD Utrecht, The Netherlands, (Laboratory of Palaeobotany and Palynology, Utrecht University, Budapestlaan 4, NL-3584 CD Utrecht, The Netherlands
2. (Laboratory of Palaeobotany and Palynology, Utrecht University, Budapestlaan 4, NL-3584 CD Utrecht, The Netherlands,