See also Sepkoski 2002
Ecology: nektonic carnivore
• Silurian of Austria (1 collection)
• Ordovician to Silurian of Canada (3: Québec)
• Ordovician of Argentina (1), Australia (2), Canada (44: British Columbia, Manitoba, Northwest Territories, Québec), China (28), the Russian Federation (24), United States (19: Alaska, Iowa, Minnesota, Nevada, New York, Oklahoma)
Total: 128 collections including 134 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.