Pelecyphora Ehrenb., Bot. Zeitung (Berlin) 1: 737. 1843.

Cochiseia = Cochiseia W.Earle, Saguaroland Bull. 30: 65. 1976. Type: Cochiseia robbinsorum W.Earle.

Encephalocarpus = Encephalocarpus A.Berger, Kakteen 331. 1929. Type: Encephalocarpus strobiliformis (Werderm.) A.Berger.

Escocoryphantha = Escocoryphantha Doweld, Sukkulenty 1: 10. 1999. Type: Escocoryphantha chihuahuensis (Britton & Rose) Doweld.

Escobaria = Escobaria Britton & Rose, Cactaceae 4: 53. 1923. Type: Escobaria tuberculosa (Engelm.) Britton & Rose.

Escobesseya = Escobesseya Hester, Desert Pl. Life 17: 23. 1945. Type: Escobesseya dasyacantha (Engelm.) Hester, Desert Pl. Life 17: 25. 1945.

Fobea = Fobea Frič ex Boed., Kakteenkunde 1933: 155. 1933. Type: Fobea viridiflora Frič ex Boed.

Lepidocoryphantha = Lepidocoryphantha Backeb., Blätt . Kakteenf. 1938: 22. 1938. Type: Lepidocoryphantha macromeris (Engelm.) Bakeb.

Neobesseya = Neobesseya Britton & Rose, Cactaceae 4: 51. 1923. Type: Neobesseya missouriensis (Sweet) Britton & Rose.

Type.

Pelecyphora aselliformis Ehrenb.