Name requested: Sarcoscypha protractaMycologia 40 (4): 483, 487. Mycotaxon 9 (2): 369. Persoonia 8 (3): 260. Transactions of the Mycological Society of Japan 21 (2): 157.
Heterotypic synonym: Peziza protractaMycologia 40 (4): 482, 483, 486. Transactions of the Mycological Society of Japan 21 (2): 157.
Heterotypic synonym: Microstoma protractaMycologia 40 (4): 486. 57 (4): 651. 59 (2): 307. 60 (4): 889, 892. 64 (5): 973. Mycology and Phytopathology [as Микология и Фитопатология] 3 (2): 119. Mycotaxon 7 (1): 70. 9 (2): 398, 413. Persoonia 8 (3): 260. Transactions of the Mycological Society of Japan 21 (2): 149, 151, 155, 156, 157.