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:
Accepted in the interpretation of the form-genus/morphogenus, and so with specimens tougth the Late Paleozoic–Mesozoic of Europe. Accepted as a natural genus of Cretaceous-Tertiary conifers.
Species belonging to the genus mostly lived in the late Cretaceous and have been found in Argentina, Germany (7) and other sites in Europe C. Álvarez-Ramis, M. Prámparo, and O. H. Papú. 2004. Estudio preliminar de paleofloras cretácicas procedentes de la base de la Formación Loncoche (Mendoza, Argentina). Coloquios de Paleontología 54:7-14
Species A number of species have been described in Geinitzia. Geinitzia cretacea Geinitzia formosa Geinitzia reichenbachii Geinitzia schlotheimii
References 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