Acanthocarpus
Distribution:
• Miocene of Brazil (4 collections)
• Oligocene of United States (1: Mississippi)
• Permian of China (2)
Total: 7 collections each including a single occurrence
Distribution:
• Miocene of Brazil (4 collections)
• Oligocene of United States (1: Mississippi)
• Permian of China (2)
Total: 7 collections each including a single occurrence