Name requested: Tympanis abietis

	Mycologia 48 (6): 867, 869, 871.
	Sydowia 11 (1-6): 292.

Homotypic synonym: Retinocyclus abietis

	Lichenologist 12 (1): 17.
	Mycologia 48 (6): 866, 867, 868, 869, 870, 871. 53 (2): 167.
	Sydowia 11 (1-6): 292.
	Transactions of the Mycological Society of Japan 26 (3): 333, 336.

Heterotypic synonym: Epithyrium resinae

	Mycologia 75 (1): 59, 60.
	Persoonia 9 (2): 194.
	Transactions of the Mycological Society of Japan 26 (3): 336.

Heterotypic synonym: Tromera difformis

	Annales Mycologici 15 (1-2): 102.
	Lichenologist 3 (2): 247. 12 (1): 17.
	Persoonia 9 (2): 194.
	Transactions of the Mycological Society of Japan 26 (3): 333.

Heterotypic synonym: Sarea difformis

Transactions of the Mycological Society of Japan 26 (3): 333, 336.

Heterotypic synonym: Biatorella difformis

	Lichenologist 3 (2): 247. 12 (1): 17, 17.
	Mycologia 32 (6): 811.