Echinofossulocactus anfractuosus (Mart. ex Pfeiff.) Lawr. in Gard. Mag. (London) 17: 317. 1841 Echinofossulocactus anfractuosus (Mart. ex Pfeiff.) Lawr. in Gard. Mag. (London) 17: 317. 1841is new combination for Echinocactus anfractuosus Mart. ex Pfeiff., Enum. Diagn. Cact.: 63. 1837Taxon for this nameEchinofossulocactus anfractuosus (Mart. ex Pfeiff.) Lawr.