†Goniotrema perplexum Ulrich and Cooper 1936 (lamp shell)
Strophomenata - Strophomenida - Leptellinidae
PaleoDB taxon number: 356196
Full reference: E. O. Ulrich and G. A. Cooper. 1936. New Genera and Species of Ozarkian and Canadian Brachiopods. Journal of Paleontology 10(7):616-631
Belongs to Goniotrema according to E. O. Ulrich and G. A. Cooper 1938
Sister taxa: none
Type specimen: USNM 92872, a shell
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): shell 15.5 x 25.0