- Pigg, K.B.;
Manchester S.R.; Wehr W.C. (2003). "Corylus, Carpinus, and
Palaeocarpinus (Betulaceae) from the
Middle Eocene Klon****
Mountain and
Allenby Formations...
-
suggest that
Carpinus might have
differentiated from the
extinct genus Palaeocarpinus.
Carpinus is
defined by
several morphological characters including presence...
- K.B.; Manchester, S.R.; Wehr, W.C. (2003). "Corylus, Carpinus, and
Palaeocarpinus (Betulaceae) from the
Middle Eocene Klon****
Mountain and
Allenby Formations...
- P.R. Crane, 1981 (leaves) †Kardia**** Manchester, 1994 (fruits) †
Palaeocarpinus P.R. Crane, 1981 (fruits) †Paracarpinus
Manchester & P.R. Crane, 1987...
-
Betulaceae genus Palaeocarpinus from
North Dakota. The two
genera are
separated on the
basis of the
notable size
difference between the
Palaeocarpinus and Kardia****...
- Manchester, S. R. (2021). "Distribution and
Morphological Diversity of
Palaeocarpinus (Betulaceae) from the
Paleogene of the
Northern Hemisphere". The Botanical...
- Pigg, K.B.;
Manchester S.R.; Wehr W.C. (2003). "Corylus, Carpinus, and
Palaeocarpinus (Betulaceae) from the
Middle Eocene Klon****
Mountain and
Allenby Formations...
- to China,
extinct members of the
birch family (Betulaceae) such as
Palaeocarpinus,
maples (Acer rousei),
fruits and
leaves of the
beech ****us langevinii...
- Manchester, S. R. (2021). "Distribution and
Morphological Diversity of
Palaeocarpinus (Betulaceae) from the
Paleogene of the
Northern Hemisphere". The Botanical...
- K.B.; Manchester, S.R.; Wehr, W.C. (2003). "Corylus, Carpinus, and
Palaeocarpinus (Betulaceae) from the
Middle Eocene Klon****
Mountain and
Allenby Formations...