Included taxa
Levi, H. W. (1955a). The spider genera Coressa and Achaearanea in America north of Mexico (Araneae, Theridiidae). American Museum Novitates 1718: 1-33. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Achaearanea trapezoidalis | Theridiidae | 9, f. 7-13 (mf) | Achaearanea trapezoidalis |
| Cryptachaea blattea | Theridiidae | 20, f. 39-40, 46 (Dmf) | Achaearanea geochares |
| Cryptachaea canionis | Theridiidae | 24, f. 60-68 (Tf from Theridion, Dm) | Achaearanea canionis |
| Cryptachaea chiricahua | Theridiidae | 26, f. 57-59 (Df) | Achaearanea chiricahua |
| Cryptachaea fresno | Theridiidae | 27, f. 53-55 (Dmf) | Achaearanea fresno |
| Cryptachaea insulsa | Theridiidae | 19, f. 41-45 (Tf from Theridion, Dm) | Achaearanea insulsa |
| Cryptachaea porteri | Theridiidae | 30, f. 71-75, 80-82 (mf, T from Cryptachaea, S of Cryptachaea catapetraeum and Theridion redemptum) | Achaearanea porteri |
| Cryptachaea rupicola | Theridiidae | 21, f. 47-52, 56 (mf) | Achaearanea rupicola |
| Cryptachaea serenoae | Theridiidae | 28, f. 76-79 (mf) | Achaearanea serenoae |
| Hentziectypus conjunctus | Theridiidae | 14, f. 14-18 (m, Df, T from Theridion) | Achaearanea conjuncta |
| Hentziectypus florendidus | Theridiidae | 15, f. 30-31 (m; misidentified per Levi, 1959b: 65) | Achaearanea florens |
| Hentziectypus florens | Theridiidae | 15, f. 26-29 (mf, T from Theridion, S of Achaearanea mendax) | Achaearanea florens |
| Hentziectypus globosus | Theridiidae | 9, f. 19-25 (mf) | Achaearanea globosa |
| Hentziectypus schullei | Theridiidae | 17, f. 32-38 (mf, T from Theridion, S of Achaearanea credula) | Achaearanea schullei |
| Parasteatoda tepidariorum | Theridiidae | 32, f. 69-70, 83-84 (mf) | Achaearanea tepidariorum |
| Theonoe minutissima | Theridiidae | 4, f. 1 (m) | Coressa minutissima |
| Theonoe stridula | Theridiidae | 4, f. 2-6 (m, Df) | Coressa stridula |
Genera
No genus found for this reference