In synonymy:
Haliger Mello-Leitão, 1943 = Kaira O. Pickard-Cambridge, 1889 (Levi, 1993c: 210, T from Theridiosomatidae)
Macpos Mello-Leitão, 1940 = Kaira O. Pickard-Cambridge, 1889 (Levi, 1977b: 214)
Pronarachne Mello-Leitão, 1937 = Kaira O. Pickard-Cambridge, 1889 (Levi, 1977b: 214)
Transferred to other genera:
Kaira dromedaria O. Pickard-Cambridge, 1893 -- see Pozonia
Kaira granadensis Mello-Leitão, 1941 -- see Pozonia
In synonymy:
Kaira aries (Mello-Leitão, 1937, T from Pronarachne) = Kaira altiventer O. Pickard-Cambridge, 1889 (Levi, 1977b: 218)
Kaira cornifera (Mello-Leitão, 1943, T from Haliger) = Kaira altiventer O. Pickard-Cambridge, 1889 (Levi, 1993c: 214)
Kaira fasciolata (O. Pickard-Cambridge, 1889, T from Mastophora) = Kaira altiventer O. Pickard-Cambridge, 1889 (Levi, 2003: 325)
Kaira minutissima (Mello-Leitão, 1941) = Kaira gibberosa O. Pickard-Cambridge, 1890 (Levi, 1993c: 216)
Kaira obtusa Keyserling, 1892 = Kaira gibberosa O. Pickard-Cambridge, 1890 (Levi, 1993c: 216)
Kaira spinosa Simon, 1897 = Kaira altiventer O. Pickard-Cambridge, 1889 (Levi, 1977b: 218)
Nomina dubia:
Kaira capra Simon, 1897b: 479 (j, Paraguay) -- Levi, 1993c: 214
Kaira monstrosa (Mello-Leitão, 1940a: 59, f. 6a-b, f, Brazil, originally in Macpos) -- Levi, 1993c: 216