Sister taxa: none
• Atokan of United States (1: Indiana collection)
• Carboniferous of Belgium (1), Canada (3: New Brunswick, Nova Scotia), Germany (2), the Netherlands (2), Turkey (1), the United Kingdom (12), United States (9: Arizona, Colorado, Georgia, Illinois, Indiana, Kentucky, West Virginia)
• Devonian of China (1)
Total: 38 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.