Macrochisma [sic] accepted as
Macroschisma Gray, 1835 (basis of record)
Macrochisma angustata A. Adams, 1851 accepted as
Macroschisma angustatum A. Adams, 1851 (original description)
Macrochisma compressa A. Adams, 1851 accepted as
Macroschisma compressum A. Adams, 1851 (original description)
Macrochisma cuspidata A. Adams, 1851 accepted as
Macroschisma cuspidatum A. Adams, 1851 (original description)
Macrochisma dilatata A. Adams, 1851 accepted as
Macroschisma dilatatum A. Adams, 1851 (original description)
Macrochisma maxima A. Adams, 1851 accepted as
Macroschisma maximum A. Adams, 1851 (original description)
Macrochisma megatrema A. Adams, 1851 accepted as
Macroschisma megatrema A. Adams, 1851 (original description)
Macrochisma producta A. Adams, 1851 accepted as
Macroschisma productum A. Adams, 1851 (original description)
Macroschisma productum A. Adams, 1851 (original description)