In synonymy:
Ebaea L. Koch, 1872 = Gea C. L. Koch, 1843 (Simon, 1895a: 769)
Transferred to other genera:
Gea bimucronata Mello-Leitão, 1936 -- see Mecynogea
Gea diadema Hogg, 1920 -- see Neogea
Gea dubiosa Strand, 1911 -- see Argiope
Gea guttata Thorell, 1890 -- see Neogea
Gea lugens O. Pickard-Cambridge, 1899 -- see Neogea
Gea nocticolor Thorell, 1887 -- see Neogea
Gea panamensis Chamberlin, 1917 -- see Argiope
Gea rotunda Hogg, 1915 -- see Argiope
Gea virginis Strand, 1911 -- see Leucauge
Gea wiedenmeyeri Schenkel, 1953 -- see Mecynogea
In synonymy:
Gea brongersmai Chrysanthus, 1971 = Gea subarmata Thorell, 1890 (Levi, 1983: 323)
Gea catenulata Thorell, 1898 = Gea subarmata Thorell, 1890 (Levi, 1983: 323)
Gea chelifer (van Hasselt, 1882) = Gea spinipes C. L. Koch, 1843 (Levi, 1983: 326)
Gea corbetti Tikader, 1982 = Gea subarmata Thorell, 1890 (Levi, 1983: 323)
Gea curvipes (Keyserling, 1886, T from Argiope) = Gea theridioides (L. Koch, 1872) (Levi, 1983: 328)
Gea decorata Thorell, 1890 = Gea spinipes C. L. Koch, 1843 (Levi, 1983: 326)
Gea festiva Thorell, 1895 = Gea spinipes C. L. Koch, 1843 (Levi, 1983: 326)
Gea festiva nigrifrons Simon, 1901 = Gea spinipes C. L. Koch, 1843 (Levi, 1983: 326)
Gea heptagon nigra Petrunkevitch, 1930 = Gea heptagon (Hentz, 1850) (Levi, 1968a: 325)
Gea praecincta (L. Koch, 1872) = Gea heptagon (Hentz, 1850) (Levi, 1983: 322)
Gea praedicta O. Pickard-Cambridge, 1898 = Gea heptagon (Hentz, 1850) (Levi, 1968a: 325)
Gea sapoa (Barrion & Litsinger, 1995, T from Argiope) = Gea spinipes C. L. Koch, 1843 (Dhiya'ulhaq & Rahmadi, 2026a: 313)
Nomina dubia:
Gea decorata varians Franganillo, 1926a: 53 (j, Cuba) -- Levi, 1968a: 324
Gea integra Franganillo, 1930: 19, f. 6B (mf, Cuba) -- Levi, 1968a: 325
Gea lineata Franganillo, 1926a: 53 (j, Cuba) -- Levi, 1968a: 324
Gea partita Franganillo, 1930: 17, f. 6A (mf, Cuba) -- Levi, 1968a: 325
Gea severinoi Mello-Leitão, 1917a: 91 (f, Brazil) -- Levi, 1968a: 324
Gea subarmata maculata Franganillo, 1930: 19 (f, Cuba) -- Levi, 1968a: 325