†Promytilus annosus annosus Newell 1942 (mussel)
Bivalvia - Mytilida - Mytilidae
Full reference: N. D. Newell. 1942. Lower Paleozoic pelecypods: Mytilacea. University of Kansas Publications 10(2):1-115
Belongs to Promytilus annosus according to N. D. Newell 1942
See also Hoare 1961
Sister taxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Shumway Cyclothem, Mattoon Fm., Unit 10 (Carboniferous of Illinois)