Name requested: Didymascella tetrasporaMycologia 54 (1): 28. 55 (4): 415, 416, 417, 418, 419. Persoonia 14 (4): 502.
Homotypic synonym: Phacidium tetrasporumAnnales Mycologici 15 (5): 337. Mycologia 5 (1): 6, 8. 55 (4): 415. Mycotaxon 21: 46.
Homotypic synonym: Keithia tetrasporaMycologia 5 (1): 6, 6, 7, 7, 8, 8, 9, 10, 11. 5 (2): 81. 46 (3): 388. 54 (1): 20. 55 (4): 415.
Heterotypic synonym: Didymascella oxycedriAnnales Mycologici 15 (5): 337. Mycologia 5 (1): 8. 54 (1): 20. 55 (4): 415, 416, 417, 418, 419. Mycotaxon 21: 46.