Full reference: J. Nõlvak. 2007. A new chitinozoan species from the Upper Ordovician of the East Baltic. Estonian Journal of Earth Sciences 56(1):63-64
Sister taxa: none
Subtaxa: Prosamatifera
Distribution:
• Triassic of Israel (1 collection)
• Permian of Israel (3)
• Devonian of Australia (11), Canada (1: Nunavut), the Czech Republic (5)
• Silurian of Canada (1: Nunavut), the Czech Republic (21), Estonia (52), Latvia (1), the Russian Federation (2), Ukraine (4)
• Dobrotivian of France (1)
• Ordovician of Argentina (1), Canada (6: Quebec), China (1), Estonia (6), Morocco (1), Portugal (1), the Russian Federation (2), South Africa (1), Spain (1), Sweden (2), the United Kingdom (1), United States (1: New York)
Total: 127 collections including 196 occurrences