Actinomya Ulrich, 1894 † accepted as Whiteavesia Ulrich, 1894 † (redescription)
Actinomya subcarinata Ulrich, 1894 † (original description)
Allodesma Ulrich, 1894 † (original description)
Allodesma subellipticum (Ulrich, 1892) † (basis of record)
Ambonychia affinis Ulrich, 1894 † (original description)
Aristerella Ulrich, 1894 † (original description)
Aristerella nitidula Ulrich, 1894 † (original description)
Byssonychia Ulrich, 1894 † accepted as Ambonychia J. Hall, 1847 † (redescription)
Byssonychia tenuistriata Ulrich, 1894 † (original description)
Clionychia nitida Ulrich, 1894 † (original description)
Colpomya Ulrich, 1894 † (additional source)
Colpomya constricta Ulrich, 1894 † (redescription)
Colpomya demissa Ulrich, 1894 † (original description)
Ctenodonta albertina Ulrich, 1894 † (original description)
Ctenodonta calvini Ulrich, 1894 † (original description)
Ctenodonta carinata Ulrich, 1894 † (original description)
Ctenodonta cingulata (Ulrich, 1892) † accepted as Nucularca cingulata (Ulrich, 1879) † (basis of record)
Ctenodonta cuneiformis Ulrich, 1894 † (original description)
Ctenodonta filistriata Ulrich, 1894 † accepted as Praenucula filistriata (Ulrich, 1894) † (original description)
Ctenodonta madisonensis Ulrich, 1894 † (original description)
Ctenodonta medialis Ulrich, 1894 † (original description)
Ctenodonta oviformis Ulrich, 1894 † (original description)
Ctenodonta recurva (Ulrich, 1892) † accepted as Similodonta recurva (Ulrich, 1892) † (basis of record)
Ctenodonta scofieldi Ulrich, 1894 † (original description)
Ctenodonta simulatrix Ulrich, 1894 † (original description)
Ctenodonta socialis Ulrich, 1894 † (original description)
Ctenodonta subnasuta Ulrich, 1894 † (original description)
Cuneamya oblonga Ulrich, 1894 † (original description)
Cuneamya truncatula Ulrich, 1894 † (original description)
Cycloconchidae Ulrich, 1894 † (original description)
Cypricardiniidae Ulrich, 1894 † (original description)
Cyrtodonta affinis Ulrich, 1894 † (original description)
Cyrtodonta affinis var. fillmorensis Ulrich, 1894 † (original description)
Cyrtodonta ampla Ulrich, 1894 † (original description)
Cyrtodonta billingsi Ulrich, 1894 † (original description)
Cyrtodonta gibbera Ulrich, 1894 † (original description)
Cyrtodonta janesvillensis Ulrich, 1894 † (original description)
Cyrtodonta obesa Ulrich, 1894 † (original description)
Cyrtodonta parva Ulrich, 1894 † (original description)
Cyrtodonta persimilis Ulrich, 1894 † (original description)
Cyrtodonta rotulata Ulrich, 1894 † (original description)
Cyrtodonta subovata Ulrich, 1894 † (original description)
Cyrtodontidae Ulrich, 1894 † (original description)
Endodesma Ulrich, 1894 † accepted as Cymatonota Ulrich, 1894 † (original description)
Endodesma compressum Ulrich, 1894 † (original description)
Endodesma cuneatum Ulrich, 1894 † (original description)
Endodesma postlatum Ulrich, 1894 † (original description)
Endodesma undosum Ulrich, 1894 † (original description)
Eurymya Ulrich, 1894 † (original description)
Eurymya plana (J. Hall, 1861) † (basis of record)
Lyrodesma acuminatum Ulrich, 1894 † (original description)
Lyrodesma acuminatum var. intermedium Ulrich, 1894 † (original description)
Lyrodesma cannonense Ulrich, 1894 † (original description)
Modiolodon gibbus Ulrich, 1894 † (original description)
Modiolodon patulus Ulrich, 1894 † (original description)
Modiolopsidae P. Fischer, 1886 † (redescription)
Modiolopsis arguta Ulrich, 1894 † (original description)
Modiolopsis chatfieldensis Ulrich, 1894 † (original description)
Modiolopsis consimilis Ulrich, 1894 † (original description)
Modiolopsis excellens Ulrich, 1894 † (original description)
Modiolopsis nana Ulrich, 1894 † (original description)
Modiolopsis obsoleta Ulrich, 1894 † (original description)
Modiolopsis oweni Ulrich, 1894 † (original description)
Orthodesma canaliculatum Ulrich, 1894 † (original description)
Orthodesma schucherti Ulrich, 1894 † (original description)
Prolobella Ulrich, 1894 † (original description)
Prolobella striatula Ulrich, 1894 † (original description)
Psiloconcha minnesotensis Ulrich, 1894 † (original description)
Rhytimya sinuata Ulrich, 1894 † (original description)
Saffordia Ulrich, 1894 † (original description)
Saffordia ventralis Ulrich, 1894 † (original description)
Sphenolium parallelum Ulrich, 1894 † (original description)
Sphenolium striatum Ulrich, 1894 † (original description)
Vanuxemia abrupta Ulrich, 1894 † (original description)
Vanuxemia crassa Ulrich, 1894 † (original description)
Vanuxemia decipiens Ulrich, 1894 † (original description)
Vanuxemia dixonensis F. B. Meek & Worthen, 1866 † (basis of record)
Vanuxemia dixonensis var. insueta Ulrich, 1894 † (original description)
Vanuxemia media Ulrich, 1894 † (original description)
Vanuxemia suberecta Ulrich, 1894 † (original description)
Vanuxemia subrotunda Ulrich, 1894 † (original description)
Vanuxemia umbonata Ulrich, 1894 † (original description)
Whitella rugatina Ulrich, 1894 † (original description)
Whitella subcarinata Ulrich, 1894 † (original description)

Illinois for Ambonychia affinis Ulrich, 1894 † 
Illinois for Ctenodonta calvini Ulrich, 1894 † 
Illinois for Cuneamya oblonga Ulrich, 1894 † 
Illinois for Cyrtodonta billingsi Ulrich, 1894 † 
Indiana for Byssonychia tenuistriata Ulrich, 1894 † 
Indiana for Ctenodonta madisonensis Ulrich, 1894 † 
Iowa for Ctenodonta calvini Ulrich, 1894 † 
Iowa for Endodesma postlatum Ulrich, 1894 † 
Iowa for Modiolodon patulus Ulrich, 1894 † 
Kentucky for Cyrtodonta obesa Ulrich, 1894 † 
Kentucky for Cyrtodonta rotulata Ulrich, 1894 † 
Kentucky for Cyrtodonta subovata Ulrich, 1894 † 
Kentucky for Lyrodesma acuminatum var. intermedium Ulrich, 1894 † 
Kentucky for Modiolodon patulus Ulrich, 1894 † 
Kentucky for Vanuxemia umbonata Ulrich, 1894 † 
Minnesota for Actinomya subcarinata Ulrich, 1894 † 
Minnesota for Ambonychia affinis Ulrich, 1894 † 
Minnesota for Aristerella nitidula Ulrich, 1894 † 
Minnesota for Byssonychia tenuistriata Ulrich, 1894 † 
Minnesota for Clionychia nitida Ulrich, 1894 † 
Minnesota for Colpomya demissa Ulrich, 1894 † 
Minnesota for Ctenodonta carinata Ulrich, 1894 † 
Minnesota for Ctenodonta cuneiformis Ulrich, 1894 † 
Minnesota for Ctenodonta medialis Ulrich, 1894 † 
Minnesota for Ctenodonta oviformis Ulrich, 1894 † 
Minnesota for Ctenodonta scofieldi Ulrich, 1894 † 
Minnesota for Ctenodonta simulatrix Ulrich, 1894 † 
Minnesota for Ctenodonta socialis Ulrich, 1894 † 
Minnesota for Ctenodonta subnasuta Ulrich, 1894 † 
Minnesota for Cuneamya truncatula Ulrich, 1894 † 
Minnesota for Cyrtodonta affinis Ulrich, 1894 † 
Minnesota for Cyrtodonta affinis var. fillmorensis Ulrich, 1894 † 
Minnesota for Cyrtodonta ampla Ulrich, 1894 † 
Minnesota for Cyrtodonta billingsi Ulrich, 1894 † 
Minnesota for Cyrtodonta gibbera Ulrich, 1894 † 
Minnesota for Cyrtodonta obesa Ulrich, 1894 † 
Minnesota for Cyrtodonta parva Ulrich, 1894 † 
Minnesota for Cyrtodonta persimilis Ulrich, 1894 † 
Minnesota for Cyrtodonta rotulata Ulrich, 1894 † 
Minnesota for Cyrtodonta subovata Ulrich, 1894 † 
Minnesota for Endodesma compressum Ulrich, 1894 † 
Minnesota for Endodesma cuneatum Ulrich, 1894 † 
Minnesota for Lyrodesma acuminatum Ulrich, 1894 † 
Minnesota for Lyrodesma cannonense Ulrich, 1894 † 
Minnesota for Modiolodon gibbus Ulrich, 1894 † 
Minnesota for Modiolodon patulus Ulrich, 1894 † 
Minnesota for Modiolopsis arguta Ulrich, 1894 † 
Minnesota for Modiolopsis chatfieldensis Ulrich, 1894 † 
Minnesota for Modiolopsis excellens Ulrich, 1894 † 
Minnesota for Modiolopsis nana Ulrich, 1894 † 
Minnesota for Modiolopsis obsoleta Ulrich, 1894 † 
Minnesota for Modiolopsis oweni Ulrich, 1894 † 
Minnesota for Orthodesma canaliculatum Ulrich, 1894 † 
Minnesota for Orthodesma schucherti Ulrich, 1894 † 
Minnesota for Prolobella striatula Ulrich, 1894 † 
Minnesota for Psiloconcha minnesotensis Ulrich, 1894 † 
Minnesota for Rhytimya sinuata Ulrich, 1894 † 
Minnesota for Saffordia ventralis Ulrich, 1894 † 
Minnesota for Sphenolium striatum Ulrich, 1894 † 
Minnesota for Vanuxemia abrupta Ulrich, 1894 † 
Minnesota for Vanuxemia crassa Ulrich, 1894 † 
Minnesota for Vanuxemia decipiens Ulrich, 1894 † 
Minnesota for Vanuxemia dixonensis var. insueta Ulrich, 1894 † 
Minnesota for Vanuxemia media Ulrich, 1894 † 
Minnesota for Vanuxemia subrotunda Ulrich, 1894 † 
Minnesota for Vanuxemia umbonata Ulrich, 1894 † 
Minnesota for Whitella rugatina Ulrich, 1894 † 
Minnesota for Whitella subcarinata Ulrich, 1894 † 
Ohio for Ctenodonta albertina Ulrich, 1894 † 
Ohio for Ctenodonta filistriata Ulrich, 1894 † 
Pennsylvania for Lyrodesma cannonense Ulrich, 1894 † 
Tennessee for Modiolopsis consimilis Ulrich, 1894 † 
Wisconsin for Cyrtodonta billingsi Ulrich, 1894 † 
Wisconsin for Cyrtodonta janesvillensis Ulrich, 1894 † 
Wisconsin for Cyrtodonta persimilis Ulrich, 1894 † 
Wisconsin for Endodesma undosum Ulrich, 1894 † 
Wisconsin for Saffordia ventralis Ulrich, 1894 † 
Wisconsin for Sphenolium parallelum Ulrich, 1894 † 
Wisconsin for Vanuxemia suberecta Ulrich, 1894 †