Tanaecium tetragonolobum (Jacq.) L.G. Lohmann, Nuevo Cat. Fl. Vasc. Venezuela: 274. 2008 sec. Hassler 2018
- =Bignonia tetragonoloba Jacq., Fragm. Bot.: 36, t. 40, f. 2. 1810 ["1809"] syn. sec. ???
- =Anemopaegma tobagense Urb. in Repert. Spec. Nov. Regni Veg. 14: 311. 1916 syn. sec. ???
- =Ceratophytum brachycarpum Pittier in J. Wash. Acad. Sci. 18: 65. 1928 syn. sec. ???
- =Ceratophytum capricorne Pittier in J. Wash. Acad. Sci. 18: 65, f. 1. 1928 syn. sec. ???
- =Adenocalymma heterophyllum Standl. in Publ. Field Mus. Nat. Hist., Bot. Ser. 8: 49. 1930 syn. sec. ???
- =Ceratophytum tobagense (Urb.) Sprague & Sandwith in Bull. Misc. Inform. Kew 1933(7): 322–323. 1933 syn. sec. ???
- =Ceratophytum tetragonolobum (Jacq.) Sprague & Sandwith in Bull. Misc. Inform. Kew 1934(5): 222–223. 1934 syn. sec. ???
- =Adenocalymma standleyanum Lundell in Publ. Carnegie Inst. Wash. 478: 221. 1937 syn. sec. ???