Trilobita - Proetida - Aulacopleuridae
Synonym: Pseudotrinodidae Koashibay and Hamada 1972
Parent taxon: Aulacopleuroidea according to J. C. Lamsdell and P. A. Selden 2015
See also Adrain 2011, Adrain and Kloc 1997, Owens and Fortey 2009, Owens and Hammann 1990, Thomas and Owens 1978 and Whittington et al. 1997
Sister taxa: none
Subtaxa: Aulacopleura Aulacopleurinae Coignops Cyphaspides Dixiphopyge Malimanaspis Maurotarion Nitidocare Songkania
Type: Aulacopleura
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Carboniferous of United States (2: New Mexico collections)
• Devonian of Australia (4), Canada (3: Nunavut, Ontario), China (7), the Czech Republic (23), Germany (3), Morocco (16), United States (5: Iowa, New York, Oklahoma, Pennsylvania), Uzbekistan (2)
• Whitwellian of Canada (2: Northwest Territories)
• Silurian of Algeria (1), Australia (2), Austria (1), Canada (24: Northwest Territories, Nunavut, Quebec), China (5), the Czech Republic (20), Estonia (1), Greenland (2), Ireland (1), Italy (1), Latvia (1), Morocco (2), Ukraine (2), the United Kingdom (11), United States (10: Arkansas, Illinois, Indiana, Maine, Oklahoma, Wisconsin), Uzbekistan (1)
• Arenigian of China (1)
• Ordovician of Canada (3: Quebec), China (2), Estonia (1), Ireland (5), New Zealand (1), Norway (22), the Russian Federation (2), Spain (3), the United Kingdom (12), United States (3: Virginia)
Total: 207 collections including 240 occurrences