Echinofossulocactus acanthion Schielle & Dietrich 1850
Echinofossulocactus acroacanthus (Stieber) Rowley, Repert. Pl. Succ. (I. O. S.), 23: 7 ( publ. 1974), 1972Echinofossulocactus adversispinus Muehlenpfrdt 1848
Echinofossulocactus albatus (A. Dietrich) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 112, 1922Echinofossulocactus anfractuosus (Mart. 1837) Lawr., Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 317, 1922
Echinofossulocactus angustispinus Lawrence, Cactaceae, 3. 318., 1922Echinofossulocactus arrigens (Link) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 114, f. 120, 1922
Echinofossulocactus arrigens v. atropurpurescens Salm-DyckEchinofossulocactus boedekerianus (A. Berger) Croiz, Cact. & Succ. Journ. Amer. 14. 111, 1929
Echinofossulocactus boedekerianus f. densispinus (Pechanek) P.V. Heath, Calyx 2 (3): 86, 1992Echinofossulocactus boedekerianus f. ochoterenanus(Tiegel) P.V. Heath, Calyx 2 (3): 86, 1992
Echinofossulocactus boedekerianus f. parksianus (Pechanek) P.V. Heath, Calyx 2 (3): 86, 1992Echinofossulocactus boedekerianus f. rosasianus (Pechanek) P.V. Heath, Calyx, 2 (3): 86: 1992
Echinofossulocactus brachycanthus Schielle & Dietrich 1850Echinofossulocactus brachycanthus v. oligacanthus
Echinofossulocactus bravoae Whitmore, Cact. & Succ. Journ., Amer. 5. 589, in obs., indice, nomen., 1934Echinofossulocactus bustamantei (H. Bravo Hollis) Croizat, Cact. & Succ. Journ. Amer. 14. 111, 1937
Echinofossulocactus cadaroyi Hort.Echinofossulocactus caespitosus Backeberg, Cact. Journ. Brit. 12. 81., 1950
Echinofossulocactus campylacanthus Lawrence, Loudon, Gard. Mag., 17. 318., 1841Echinofossulocactus carneus Whitm., 1934
Echinofossulocactus confusus Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 120, f. 127, 1922Echinofossulocactus coptonogonus (Lemaire) Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 317, 1841
Echinofossulocactus coptonogonus v. major Lawrence, 1841Echinofossulocactus cornigerus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841
Echinofossulocactus cornigerus v. angustispinus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus cornigerus v. elatior Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841
Echinofossulocactus cornigerus v. rubrospinus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus crispatus (DC.) Lawrence, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 317, 1841
Echinofossulocactus crispatus f. acracanthus (Stieber) P.V. Heath, Calyx 2 (3): 86, 1992Echinofossulocactus crispatus f. anfractuosus (Mart.) P.V. Heath, Calyx 2 (3): 86, 1992
Echinofossulocactus crispatus f. arrigens (Link) P.V. Heath, Calyx 2 (3): 86, 1992Echinofossulocactus crispatus f. confusus (Britton & Rose) P.V. Heath, Calyx, 2 (3): 86: 1992
Echinofossulocactus crispatus f. dichroacanthus (Pfeiffer) P.V. Heath, Calyx, 2 (3): 86: 1992Echinofossulocactus crispatus f. ensiferus (Lemaire) P.V. Heath, Calyx 2 (3): 86, 1992
Echinofossulocactus crispatus f. flexispinus (H. Bravo Hollis) P.V. Heath, Calyx 2 (3): 86, 1992Echinofossulocactus crispatus f. grandicornis (Lemaire) P.V. Heath, Calyx 2 (3): 86, 1992
Echinofossulocactus crispatus f. guerraianus (Backeberg) P.V. Heath, Calyx 2 (3): 86, 1992Echinofossulocactus crispatus f. heteracanthus (Muehlenpf.) P.V. Heath, Calyx 2 (3): 86, 1992
Echinofossulocactus crispatus f. kellerianus (Krainz) P.V. Heath, Calyx 2 (3): 87, 1992Echinofossulocactus crispatus f. lamellosus (A. Dietrich) P.V. Heath, Calyx 2 (3): 87, 1992
Echinofossulocactus crispatus f. lancifer (A. Dietrich) P.V. Heath, Calyx 2 (3): 87, 1992Echinofossulocactus crispatus f. obvallatus (DC.) P.V. Heath, Calyx 2 (3): 87, 1992
Echinofossulocactus crispatus f. pentacanthus (Lemaire) P.V. Heath, Calyx 2 (3): 87, 1992Echinofossulocactus crispatus f. tellii (Berger) P.V. Heath, Calyx 2 (3): 87, 1992
Echinofossulocactus crispatus f. undulatus (A. Dietrich) P.V. Heath, Calyx 2 (3): 87, 1992Echinofossulocactus crispatus f. violaciflorus (Quehl) P.V. Heath, Calyx 2 (3): 87, 1992
Echinofossulocactus debilispinus (Berg) Lawrence 1840Echinofossulocactus densispinus (Tiegel) Schmol, Cactus (Brussels). 3 (9): 132., 1965
Echinofossulocactus dichroacanthus (Mart. 1837) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 117, 1922Echinofossulocactus durispinus Tiegel 1934
Echinofossulocactus echidne Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus elatior Lawrence, Loudon, Gard. Mag., 17. 136, 1841
Echinofossulocactus ensiferus (Lem 1838) Britton & Rose 1838Echinofossulocactus ensiferus v. pallidus R.A. Foster,
Echinofossulocactus ensiformis Lawrence, Loudon, Gard. Mag., 17. 317; Britton & Rose, Cactaceae, 3. 114 (1922), in obs., 1841Echinofossulocactus erectocentrus Backeberg, Cactac. Handb. Kakteenk. 5. 2772., 1961
Echinofossulocactus erectocentrus v. cylindricusEchinofossulocactus esperanzaensis Whitm., Cact. & Succ. Journ., Amer. 5. 590, in obs., indice, nomen., 1934
Echinofossulocactus fasciculatusEchinofossulocactus flexispinus (Salm-Dyck) H. Bravo Hollis, Cact. & Suc. Mexic. 14. 44, 1850
Echinofossulocactus gasseri Whitm., Cact. & Succ. Journ., Amer. 5. 590, nomen, 1934Echinofossulocactus gladiatus (Link & Otto) Lawr., Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 317, 1841
Echinofossulocactus gladiatus v. carneus Schmoll nomen subnud.Echinofossulocactus grandicornis (Lemaire) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 114, 1922
Echinofossulocactus grisacanthus Whitm., Cact. & Succ. Journ., Amer. 5. 589, in obs., indice, nomen., 1934Echinofossulocactus griseispinus Jacobi 1856
Echinofossulocactus guerraianus Backeberg, Stachlige Wildnis, 339; cf. Backeb. in Fedde, Repert. 51. 63 (1942). 1942Echinofossulocactus harrisii Lawrence, Loudon, Gard. Mag., 17. 318; Britton & Rose, Cactaceae, 3. 109 (1922), in obs., 1841
Echinofossulocactus hastatus (Hopffer) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 111, 1922Echinofossulocactus helophora v. longifossulatus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841
Echinofossulocactus helophorus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus heteracanthus (Muehlenpf.) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 112, 1922
Echinofossulocactus hexaedrophorus Lawrence, Loudon, Gard. Mag., 17. 318., 1841Echinofossulocactus heyderii (A. Dietrich) Britton & Rose 1846
Echinofossulocactus holopterus Lawrence, Loudon, Gard. Mag., 17. 318., 1841Echinofossulocactus hookerii (Muehlenpf) Britton & Rose 1845
Echinofossulocactus hystrichocentrus (Berger) Lawrence 1840Echinofossulocactus ignotus-venosus Lawrence, Loudon, Gard. Mag., 17. 318; Britton & Rose, Cactaceae, 3. 109 (1922), in obs., 1841
Echinofossulocactus karwinskianus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus kellerianus Krainz, Schweiz. Gart., 10; cf. Krainz, Neue u. selteneSukkulent. 9 [1946]., 1946
Echinofossulocactus lamellosus (A. Dietrich) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 113, 1922Echinofossulocactus lamellosus hastatus
Echinofossulocactus lancifer (A. Dietrich non Reichb.) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 118, 1922Echinofossulocactus lexarzai (H. Bravo Hollis) Croizat, Cact. & Succ. Journ. Amer. 14. 111, 1937
Echinofossulocactus lloydii Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 113, f. 118, 1922Echinofossulocactus longispinus
Echinofossulocactus macracanthus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus micracanthus Lawrence, Loudon, Gard. Mag., 17. 317., 1841
Echinofossulocactus mirbelii Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus multiareolatus H. Bravo Hollis, An. Inst. Biol., Mexico, 30. 59., 1962
Echinofossulocactus multicostatus (Hildmann) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 111, 1922Echinofossulocactus multicostatus f. erectocentrus (Backeberg) P.V. Heath, Calyx 2 (3): 87, 1992
Echinofossulocactus multicostatus f. lloydii (Britton & Rose) P.V. Heath, CubaINFO 2 (3): 87, 1992Echinofossulocactus multicostatus v. coahuilensis Frick, 1931
Echinofossulocactus multicostatus v. zacatecasensis (Britton & Rose) P.V. Heath, Calyx 2 (3): 87, 1992Echinofossulocactus nerispinus Schmol nomen subnud.,
Echinofossulocactus obvallatus (DC.) Lawrence, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 317, 1841Echinofossulocactus obvallatus v. arrigens (Link ex A. Dietrich) Meyran, Cact. & Suc. Mex., 17 (2): 43, without basionym ref. or author, 1972
Echinofossulocactus ochoterenaus (Tiegel) Whitm., Cact. & Succ. Journ., Amer. 5. 589, nomen.; Schmoll in Cact. & Succ. Journ., Amer. 6. 37, sub ic. (1934); Oehme in Beitr. Sukkulentenk. u. -Pflege, 1938, 82, 1933Echinofossulocactus ochoterenaus v. parksianus
Echinofossulocactus ochoterenaus v. rosasianusEchinofossulocactus ochoterenaus v. sphacelatus Whitm
Echinofossulocactus ochroleucus Jacobi 1856Echinofossulocactus octosterenanus P.V. Heath, Calyx,
Echinofossulocactus oxypterus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus pachycentrus
Echinofossulocactus parksianus Schmoll, Katalog Schmoll, 1934Echinofossulocactus pentacanthus (Lemaire) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 115-116, 1922
Echinofossulocactus pfeifferi Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus phyllacanthus (Mart. 1836) Lawrence, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 317, 1841
Echinofossulocactus phyllacanthus f. guerrianusEchinofossulocactus phyllacanthus v. grandicornus
Echinofossulocactus phyllacanthus v. laevior Lemaire,Echinofossulocactus phyllacanthus v. macracanthus Monw, 1841
Echinofossulocactus phyllacanthus v. micracanthus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 317, 1841Echinofossulocactus phyllacanthus v. nova
Echinofossulocactus phyllacanthus v. tenuiflorus LabouretEchinofossulocactus phyllacanthus v. triscupidiatus
Echinofossulocactus phyllacanthus v. violaciflorusEchinofossulocactus platyceras Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841
Echinofossulocactus raphidacanthus Schielle & Dietrich 1850Echinofossulocactus rectospinus Whitm., Cact. & Succ. Journ., Amer. 5. 589, in obs., indice, nomen., 1934
Echinofossulocactus recurvus Lawrence, Loudon, Gard. Mag., 17. 318., 1841Echinofossulocactus recurvus v. campylacanthus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841
Echinofossulocactus robustus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus rosasianus Whitmore, Katalog Schmoll, 1934
Echinofossulocactus rubro-spinus Lawrence, Loudon, Gard. Mag., 17. 318., 1841Echinofossulocactus sphacelatus Whitmore, Cact. & Succ. Journ., Amer. 5. 589, nomen.; Schmoll, Cact. & Succ. Journ., Amer. 6. 37, (1934), nomen., 1934
Echinofossulocactus spinosus (Wegener) P.V. Heath, Calyx, 2 (3): 87: 1844Echinofossulocactus spinosus f. albatus (A. Dietrich) P.V. Heath, Calyx 2 (3): 87, 1992
Echinofossulocactus spinosus f. vaupelianus (Werdermann) P.V. Heath, Calyx 2 (3): 87, 1992Echinofossulocactus spiralis Lawrence, Loudon, Gard. Mag., 17. 318., 1841
Echinofossulocactus sulphureus f. hastatus (Hopffer) P.V. Heath, Calyx 2 (3): 87, 1992Echinofossulocactus sulphureus (A. Dietrich) J. Meyran, Cact. Suc. Mex., 22 (2): 36, 1952
Echinofossulocactus tegelbergii Schuetz, Kaktusy, 8: 93-94. without type; cf. Rowley in Repert. Pl. Succ. (I. O. S.). 23: 7 (1972 publ. 1974). 1953Echinofossulocactus tellii Echinofossulocactus tetracanthus Lemaire
Echinofossulocactus tetracentrus LemaireEchinofossulocactus tetraxiphus (Otto) Oehme, Beitr. Sukkulentenk. u. Pflege, 82: 1898
Echinofossulocactus tricuspidatus (Scheidweiler) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 117-118, 1922Echinofossulocactus trifurcatus Jacobi 1856
Echinofossulocactus turbiniformis Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus undulatus Lawrence (Dietr?) 1844
Echinofossulocactus vanderaeyi Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841Echinofossulocactus vanderaeyi v. ignotus-longispinus Lawrence in Loudon, Gardeners' Magazine of Botany, Horticulture, Floriculture. 17: 318, 1841
Echinofossulocactus vaupelianus (Werdermann) Tieg & Oehme, Beitr. Sukkulentenk. u. Pflege, 82, an E. Vaupelianus Whitm., 1931Echinofossulocactus violaciflorus (Quehl) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 114-115, pl. 23, f. 5; f. 121, 1922
Echinofossulocactus wegnerii Schielle & DietrichEchinofossulocactus wippermannii (Muehlenpf.) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 111, 1922
Echinofossulocactus xiphacanthus (Miq.) Backeberg, Cactac. Handb. Kakteenk. 5. 2776, in obs., 1956Echinofossulocactus zacatecasensis Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 113, f. 119, 1922
Echinofossulocactus zacatecasensis v. moranensis H. Bravo Hollis, Cact. Suc. Mex. 14 (3): 67. without Latin diagnosis, 1969