''Geinitzia'' is an
extinct
Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
conifers
Conifers () are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All e ...
, with an uncertain position within the group. Species belonging to the genus lived in the
late Cretaceous
The Late Cretaceous (100.5–66 Ma) is the more recent of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''cre ...
and have been found in Argentina
[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] and Europe.
Species
A number of species have been described in ''Geinitzia''.
:''Geinitzia cretacea''
[
:''Geinitzia formosa''][
:''Geinitzia reichenbachii''][
:''Geinitzia schlotheimii''][
]
References
Cretaceous plants
Pinales
Prehistoric gymnosperm genera
{{cretaceous-plant-stub