Gymnospermae
Distribution:
• Miocene of Argentina (2 collections), Japan (1)
• Eocene of Australia (5), France (1), United States (1: Oregon)
• Cretaceous of Austria (1), Ecuador (8), Mongolia (1), Spain (2), United States (16: Montana, Wyoming)
• Jurassic of India (4), the United Kingdom (2), United States (2: Montana, Wyoming)
• Permian of United States (2: Arizona, Texas)
Total: 48 collections each including a single occurrence