Geinitzia is an extinct genus of conifers, with an uncertain position within the group, yet has been considered to be part of its own family, Geinitziaceae. The definition of the taxon is complex, a two options are managed:
Species belonging to the genus mostly lived in the late Cretaceous and have been found in Argentina, Germany (7) and other sites in Europe
A number of species have been described in Geinitzia.
<small>7. Wittler, F. A. (2001): Geinltzia (Gymnospermeae, Taxodiacea) im basalen Mittelturon von Dortmund (Oberkreide, SW-Münsterland).- Dortmunder Beitr. Landeskde. naturwiss. Mitt. 35 229-232; Dortmund. Dortmunder-Beitr-Landeskde_35_0229-0232.pdf</small>