Zeitschriftenartikel
Fischer, T. C.; Butzmann, R.; Meller, B.; Rattei, T.; Newman, M.; Hölscher, D.: The morphology, systematic position and inferred biology of Spirematospermum - an extinct genus of Zingiberales. Review of Palaeobotany and Palynology
157 (3-4), S. 391 - 426 (2009)