Calyptrion Ging. Calyptrion Ging. in Mém. Soc. Phys. Genéve 2(1): 28, t. 2, fig. 1. 1823 sec. Ballard & al. 2014=Corynostylis Mart., Nov. Gen. Sp. Pl. 1: 25-26, t. 17-18. 1824 ["1823"] syn. sec. Ballard & al. 2014