†Micromitra Meek 1873 (lamp shell)
Paterinata - Paterinida - Paterinidae
Synonym: Walcottina Cobbold 1921
Full reference: F. B. Meek. 1873. Lists of fossils collected. Sixth Annual Report of the U.S. Geological Survey of the territories, embracing portions of Montana, Idaho, Wyoming and Utah 463-478
Parent taxon: Paterinidae according to A. Williams et al. 2000
Sister taxa: Dictyonina, Dictyonites, Kolihium, Lacunites, Paterina, Wynnia
Subtaxa: Micromitra bella, Micromitra lepida, Micromitra semicircularis
Ecology: stationary epifaunal suspension feeder