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Bisonia
Genus Bisonia K.R. Johnson Proc. Denver Mus. Nat. Hist., Series 3, (12): 6. 1 Apr 1996
- Name
- Bisonia
- Rank
- Genus
- Authors (Pub.)
- Johnson K. R.
- Publication
- Description of seven common fossil leaf species from the Hell Creek Formation (Upper Cretaceous: Upper Maastrichtian) North Dakota, South Dakota, Montana [1996/4]
- Journal
- Proceedings of the Denver Museum of Natural History
- Annee/Jahrgang
- Series 3
- Issue
- 12
- Page number
- 6
- Year
- 1996
- Parent Taxon
- [Class] Magnoliopsida
- Fossil Status
- leaves
- Type
- Bisonia niemii
- Diagnosis
- Leaves simple, with rounded lobes and
sinuses. Venation basal palinactinodromous. Secondary
veins mostly brochidodromous. Tertiary veins mostly percurrent.
Sinus of major lobes supported by a vein of secondary
or intersecondary rank that forks at the sinus and
follows both margins.
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