Fossil Leaf Species from the Fox Hills Formation (Upper Creataceous: North Dakota, USA) and their Paleographic Significance

D. J. Peppe, J. M. Erickson, and L. J. Hickey

2007

Article

Journal of Paleontology 81(3):550-567

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Taxa discussed in this work:

• Beania carruthersi
• Beania gracilis
• Beania kochi
• Marmarthia
• Marmarthia johnsonii
• Marmarthia pearsonii
• Marmarthia trivialis
• Nilsonia
• Nilsoniaceae
• Nilssoniocladus
• Nilssoniocladus yukonensis

Taxonomy:

• Beania gracilis belongs to Beania - Carruthers (1869)
• Beania carruthersi belongs to Beania - Nathorst (1902)
• Beania kochi belongs to Beania - Harris (1937)
• Nilssoniocladus belongs to Nilsoniaceae - Kimura and Sekido (1975)
• Nilsoniaceae belongs to Cycadales - Kimura and S (1975)
• Marmarthia trivialis belongs to Marmarthia - Johnson (1996)
• Marmarthia pearsonii belongs to Marmarthia - Johnson (1996)
• Marmarthia belongs to Lauraceae - Johnson (1996)
• Marmarthia johnsonii belongs to Marmarthia - Peppe et al. (2007)
• Nilssoniocladus yukonensis belongs to Nilssoniocladus - Peppe et al. (2007)