Imbrie, J. (1959). Brachiopods of the Traverse group (Devonian) of Michigan. Part 1, Dalmanellacea, Pentameracea, Strophomenacea, Orthotetacea, Chonetacea, and Productacea. Bulletin of the American Museum of Natural History. 116(4): 345-410, pls. 48-67.
481676
Imbrie, J.
1959
Brachiopods of the Traverse group (Devonian) of Michigan. Part 1, Dalmanellacea, Pentameracea, Strophomenacea, Orthotetacea, Chonetacea, and Productacea
Bulletin of the American Museum of Natural History