Eocene fossils from Green River, Wyoming

T. D. A. Cockerell

1909

Article

American Journal of Science 28:447-448

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Taxa discussed in this work:

• Firmianites
• Firmianites aterrimus
• Syntomostylus fortis

Taxonomy:

• Firmianites belongs to Sterculiaceae - Cockerell (1909)
• Firmianites aterrimus belongs to Firmianites - Cockerell (1909)