Taxa included

Levi, H. W. (1955a). The spider genera Coressa and Achaearanea in America north of Mexico (Araneae, Theridiidae). American Museum Novitates 1718: 1-33.

Taxon
Theonoe minutissima (O. Pickard-Cambridge, 1879) (Theridiidae) 4, f. 1 (m), Coressa minutissima
Theonoe stridula Crosby, 1906 (Theridiidae) 4, f. 2-6 (m, Df), Coressa stridula
Achaearanea trapezoidalis (Taczanowski, 1873) (Theridiidae) 9, f. 7-13 (mf), Achaearanea trapezoidalis
Hentziectypus globosus (Hentz, 1850) (Theridiidae) 9, f. 19-25 (mf), Achaearanea globosa
Hentziectypus conjunctus (Gertsch & Mulaik, 1936) (Theridiidae) 14, f. 14-18 (m, Df, T from Theridion), Achaearanea conjuncta
Hentziectypus florendidus (Levi, 1959) (Theridiidae) 15, f. 30-31 (m; misidentified per Levi, 1959b: 65), Achaearanea florens
Hentziectypus florens (O. Pickard-Cambridge, 1896) (Theridiidae) 15, f. 26-29 (mf, T from Theridion, S of Achaearanea mendax), Achaearanea florens
Hentziectypus schullei (Gertsch & Mulaik, 1936) (Theridiidae) 17, f. 32-38 (mf, T from Theridion, S of Achaearanea credula), Achaearanea schullei
Cryptachaea insulsa (Gertsch & Mulaik, 1936) (Theridiidae) 19, f. 41-45 (Tf from Theridion, Dm), Achaearanea insulsa
Cryptachaea blattea (Urquhart, 1886) (Theridiidae) 20, f. 39-40, 46 (Dmf), Achaearanea geochares
Cryptachaea rupicola (Emerton, 1882) (Theridiidae) 21, f. 47-52, 56 (mf), Achaearanea rupicola
Cryptachaea canionis (Chamberlin & Gertsch, 1929) (Theridiidae) 24, f. 60-68 (Tf from Theridion, Dm), Achaearanea canionis
Cryptachaea chiricahua (Levi, 1955) (Theridiidae) 26, f. 57-59 (Df), Achaearanea chiricahua Original description
Cryptachaea fresno (Levi, 1955) (Theridiidae) 27, f. 53-55 (Dmf), Achaearanea fresno Original description
Cryptachaea serenoae (Gertsch & Archer, 1942) (Theridiidae) 28, f. 76-79 (mf), Achaearanea serenoae
Cryptachaea porteri (Banks, 1896) (Theridiidae) 30, f. 71-75, 80-82 (mf, T from Cryptachaea, S of Cryptachaea catapetraeum and Theridion redemptum), Achaearanea porteri
Parasteatoda tepidariorum (C. L. Koch, 1841) (Theridiidae) 32, f. 69-70, 83-84 (mf), Achaearanea tepidariorum

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