Included taxa
Levi, H. W. (1963c). American spiders of the genus Theridion (Araneae, Theridiidae). Bulletin of the Museum of Comparative Zoology 129(10): 481-592, 13 pls. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Ameridion armouri | Theridiidae | 559, f. 143-144 (f) | Theridion armouri |
| Ameridion unanimum | Theridiidae | 555, f. 131-134 (mf, S) | Theridion unanimum |
| Anelosimus studiosus | Theridiidae | 491, 1963f: 36 (S of Anelosimus magnificus) | Anelosimus studiosus |
| Cryptachaea triguttata | Theridiidae | 542, f. 76-77 (f) | Theridion triguttatum |
| Episinus immundus | Theridiidae | 491 (T from Thymoites, S of Thymoites bigibbosus and T. bituberculatus) | Episinus immundus |
| Episinus porteri | Theridiidae | 492 (T from Chrosiothes, S of Theridion spinatum) | Anelosimus australis |
| Episinus typicus | Theridiidae | 492 (T from Theridion, S of T. agreste; revalidated by Levi, 1967a: 8) | Episinus typicus |
| Exalbidion fungosum | Theridiidae | 561, f. 179 (m) | Theridion fungosum |
| Exalbidion fungosum | Theridiidae | 563, f. 158-160 (Df) [urn:lsid:nmbe.ch:spidersp:008752] | Theridion tungurahua |
| Exalbidion rufipunctum | Theridiidae | 543, f. 80-81 (f) | Theridion rufipunctum |
| Kochiura attrita | Theridiidae | 490 (T from Theridion, S of Theridion levipes, removed from S of Theridion [= Ero] spinipes, rejecting Simon, 1904e: 92) | Anelosimus attritus |
| Kochiura decolorata | Theridiidae | 562, f. 154-155 (f) | Theridion decoloratum |
| Kochiura olaup | Theridiidae | 580, f. 236 (Dm) | Theridion olaup |
| Kochiura rosea | Theridiidae | 490 (T from Theridion) | Anelosimus bucculentus |
| Kochiura rosea | Theridiidae | 491 (T from Theridion) | Anelosimus gracilis |
| Nesticus citrinus | Nesticidae | 490 (T from Theridion) | Nesticus citrinus |
| Selkirkiella michaelseni | Theridiidae | 491 (Tf from Theridion) | Anelosimus michaelseni |
| Theridion adspersum | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion adspersum |
| Theridion aeolium | Theridiidae | 547, f. 96-97 (Df) | Theridion aeolium |
| Theridion agrarium | Theridiidae | 585, f. 256-257 (Df) | Theridion agrarium |
| Theridion agreste | Theridiidae | 538, f. 54-58 (mf; misidentified per Levi, 1967a: 8) | Theridion ambiguum |
| Theridion albolineatum | Theridiidae | 490 (Tf from Theridion) | Anelosimus albolineatus |
| Theridion amarga | Theridiidae | 536, f. 44-46 (mf) | Theridion foliaceum |
| Theridion amatitlan | Theridiidae | 545, f. 88-89 (Df) | Theridion amatitlan |
| Theridion ambiguum | Theridiidae | 537, f. 52-53 (Df) | Theridion penai |
| Theridion ampascachi | Theridiidae | 568, f. 198-199 (f) | Theridion ampascachi |
| Theridion aporum | Theridiidae | 576, f. 227-228 (Dm) | Theridion aporum |
| Theridion apostoli | Theridiidae | 568, f. 196-197 (f) | Theridion apostoli |
| Theridion aragua | Theridiidae | 541, f. 68-71 (Dmf) | Theridion aragua |
| Theridion armatum | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion armatum |
| Theridion aulos | Theridiidae | 571, f. 209 (Dm) | Theridion aulos |
| Theridion baltasarense | Theridiidae | 584, f. 252-253 (Df) | Theridion baltasarense |
| Theridion beebei | Theridiidae | 578, f. 234 (Dm) | Theridion beebei |
| Theridion bellatulum | Theridiidae | 561, f. 151-153 (Df) | Theridion bellatulum |
| Theridion bergi | Theridiidae | 581, f. 86-87 (Df) | Theridion bergi |
| Theridion biezankoi | Theridiidae | 573, f. 213 (Dm) | Theridion biezankoi |
| Theridion bolum | Theridiidae | 526, f. 3-4 (Dm) | Theridion bolum |
| Theridion botanicum | Theridiidae | 551, f. 117-120 (Dmf) | Theridion botanicum |
| Theridion brasilianum | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion brasilianum |
| Theridion calcynatum | Theridiidae | 548, f. 100-107 (mf, S) | Theridion calcynatum |
| Theridion chacoense | Theridiidae | 553, f. 121-122 (Dm) | Theridion chacoense |
| Theridion choroni | Theridiidae | 533, f. 34-35 (Df) | Theridion choroni |
| Theridion cochise | Theridiidae | 553, f. 123-124 (Dm) | Theridion cochise |
| Theridion cochrum | Theridiidae | 586, f. 266-269 (Df) | Theridion cochrum |
| Theridion cocosense | Theridiidae | 543, f. 82-83 (f) | Theridion cocosense |
| Theridion cohni | Theridiidae | 529, f. 19-20 (Df) | Theridion cohni |
| Theridion concinnum | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion concinnum |
| Theridion conifaciens | Theridiidae | 493 (unrecognizable = nomen dubium, probably nomen nudum) | Theridion conifaciens |
| Theridion costaricaense | Theridiidae | 556, f. 137-138 (Df) | Theridion costaricaense |
| Theridion cuyutlan | Theridiidae | 579, f. 235 (Dm) | Theridion cuyutlan |
| Theridion dominica | Theridiidae | 569, f. 200-201 (Df) | Theridion dominica |
| Theridion ecuadorense | Theridiidae | 546, f. 92-93 (Df) | Theridion ecuadorense |
| Theridion eremum | Theridiidae | 548, f. 98-99 (Df) | Theridion eremum |
| Theridion exlineae | Theridiidae | 580, f. 237-240 (Dmf) | Theridion exlinae |
| Theridion fastosum | Theridiidae | 530, f. 21-23 (mf) | Theridion fastosum |
| Theridion filum | Theridiidae | 525, f. 1-2 (Dm) | Theridion filum |
| Theridion filum | Theridiidae | 528, f. 17-18 (Df) [urn:lsid:nmbe.ch:spidersp:008221] | Theridion antron |
| Theridion frizzellorum | Theridiidae | 550, f. 109-116 (Dmf) | Theridion frizzellorum |
| Theridion funerarium | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion funerarium |
| Theridion gayi | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion gayi |
| Theridion glaucescens | Theridiidae | 525 (S) | Theridion glaucescens |
| Theridion grandiosum | Theridiidae | 541, f. 72-75 (Dmf) | Theridion grandiosum |
| Theridion hassleri | Theridiidae | 557, f. 139-140 (Df) | Theridion hassleri |
| Theridion hispidum | Theridiidae | 530, f. 194-195 (f) | Theridion hispidum |
| Theridion huanuco | Theridiidae | 552, f. 108 (Dm) | Theridion huanuco |
| Theridion impegrum | Theridiidae | 574, f. 217-218 (f, invalid emendation) | Theridion impigrum |
| Theridion incertissimum | Theridiidae | 567, f. 192-193 (Tf from Tidarren) | Theridion incertissimum |
| Theridion iramon | Theridiidae | 533, f. 36-39 (Dmf) | Theridion iramon |
| Theridion isorium | Theridiidae | 582, f. 241-243 (Df) | Theridion isorium |
| Theridion lago | Theridiidae | 588, f. 273-275 (Df) | Theridion lago |
| Theridion liliputanum | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion liliputanum |
| Theridion linaresense | Theridiidae | 537, f. 50-51 (Df) | Theridion linaresense |
| Theridion longipedatum | Theridiidae | 540, f. 66-67 (f) | Theridion longipedatum |
| Theridion machu | Theridiidae | 566, f. 188-189 (Df) | Theridion machu |
| Theridion macuchi | Theridiidae | 569, f. 204-205 (Df) | Theridion macuchi |
| Theridion maranum | Theridiidae | 570, f. 206 (Dm) | Theridion maranum |
| Theridion maron | Theridiidae | 565, f. 180-181 (Df) | Theridion maron |
| Theridion micheneri | Theridiidae | 586, f. 263-265 (Df) | Theridion micheneri |
| Theridion minutissimum | Theridiidae | 564, f. 173-176 (mf) | Theridion minutissimum |
| Theridion monzonense | Theridiidae | 559, f. 145-146 (Df) | Theridion monzonense |
| Theridion moraballi | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion moraballii |
| Theridion nigriceps | Theridiidae | 575, f. 221-224 (f) | Theridion nigriceps |
| Theridion nigroannulatum | Theridiidae | 539, f. 59-63 (mf) | Theridion nigroannulatum |
| Theridion onticolum | Theridiidae | 544, f. 84-85 (Df; N.B.: "arbitrary combination of letters", compare FAQ 6) | Theridion onticolum |
| Theridion onustum | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion onustum |
| Theridion opolon | Theridiidae | 580, f. 225, 258-259 (Dmf) | Theridion opolon |
| Theridion opuntia | Theridiidae | 531, f. 25-29 (Dmf) | Theridion opuntia |
| Theridion osprum | Theridiidae | 577, f. 229 (Dm) | Theridion osprum |
| Theridion oswaldocruzi | Theridiidae | 546, f. 94-95 (Df) | Theridion oswaldocruzi |
| Theridion paraense | Theridiidae | 574, f. 219-220 (Df) | Theridion paraense |
| Theridion parvum | Theridiidae | 560, f. 149-150 (f) | Theridion parvum |
| Theridion pelaezi | Theridiidae | 545, f. 90-91 (Df) | Theridion pelaezi |
| Theridion pernambucum | Theridiidae | 532, f. 30-33 (Dmf) | Theridion pernambucum |
| Theridion pigrum | Theridiidae | 584, f. 254-255 (f) | Theridion pigrum |
| Theridion pires | Theridiidae | 562, f. 156-157 (Df) | Theridion pires |
| Theridion plaumanni | Theridiidae | 583, f. 244-248 (Dmf) | Theridion plaumanni |
| Theridion positivum | Theridiidae | 565, f. 177-178 (mf) | Theridion positivum |
| Theridion rampum | Theridiidae | 557, f. 141-142, 232-233 (Dmf) | Theridion rampum |
| Theridion ravum | Theridiidae | 554, f. 127-130 (Dmf) | Theridion ravum |
| Theridion rossi | Theridiidae | 573, f. 214-216 (Df) | Theridion rossi |
| Theridion rubiginosum | Theridiidae | 576, f. 226 (m) | Theridion rubiginosum |
| Theridion rubrolineatum | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion rubrolineatum |
| Theridion rubrum | Theridiidae | 566, f. 184-185 (f) | Theridion rubrum |
| Theridion rurrenabaque | Theridiidae | 540, f. 64-65 (Dm) | Theridion rurrenabaque |
| Theridion schlingeri | Theridiidae | 566, f. 186-187 (Df) | Theridion schlingeri |
| Theridion schrammeli | Theridiidae | 556, f. 135-136 (Dm) | Theridion schrammeli |
| Theridion senckenbergi | Theridiidae | 567, f. 190-191 (Df) | Theridion senckenbergi |
| Theridion silvestre | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion silvestre |
| Theridion soaresi | Theridiidae | 526, f. 5 (m, replacement name) | Theridion soaresi |
| Theridion soaresi | Theridiidae | 572, f. 211-212 (Df) [urn:lsid:nmbe.ch:spidersp:008209] | Theridion altum |
| Theridion stamotum | Theridiidae | 534, f. 40-41 (Dm) | Theridion stamotum |
| Theridion stannardi | Theridiidae | 578, f. 231 (Dm) | Theridion stannardi |
| Theridion striatum | Theridiidae | 527, f. 6-9 (m, Df) | Theridion striatum |
| Theridion subrotundum | Theridiidae | 528, f. 14-16 (f) | Theridion subrotundum |
| Theridion superbum | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion superbum |
| Theridion tebanum | Theridiidae | 554, f. 125-126 (Dm) | Theridion tebanum |
| Theridion teresae | Theridiidae | 560, f. 147-148 (Df) | Theridion teresae |
| Theridion teresae | Theridiidae | 572, f. 210 (Dm) [urn:lsid:nmbe.ch:spidersp:008553] | Theridion nesticum |
| Theridion tinctorium | Theridiidae | 531, f. 24 (m) | Theridion tinctorium |
| Theridion tinctorium | Theridiidae | 566, f. 182-183 (f) | Theridion querulum |
| Theridion topo | Theridiidae | 587, f. 270-272 (Df) | Theridion topo |
| Theridion torosum | Theridiidae | 569, f. 202-203 (f) | Theridion torosum |
| Theridion uber | Theridiidae | 543, f. 78-79 (f) | Theridion uber |
| Theridion umbilicus | Theridiidae | 570, f. 207-208 (Dm) | Theridion umbilicus |
| Theridion umbrosum | Theridiidae | 493 (unrecognizable = nomen dubium) | Theridion umbrosum |
| Theridion urucum | Theridiidae | 577, f. 230 (Dm) | Theridion urucum |
| Theridion utcuyacu | Theridiidae | 535, f. 47-49 (Dmf) | Theridion utcuyacu |
| Theridion volubile | Theridiidae | 527, f. 10-13 (f, Dm) | Theridion volubile |
| Theridion weyrauchi | Theridiidae | 585, f. 260-262 (Df) | Theridion weyrauchi |
| Theridion yuma | Theridiidae | 535, f. 42-43 (Dm) | Theridion yuma |
| Theridion zonarium | Theridiidae | 584, f. 249-251 (f) | Theridion zonarium |
| Thwaitesia conifera | Theridiidae | 493 (unrecognizable = nomen dubium, probably to Achaearanea) | Theridion coniferum |
| Thymoites caracasanus | Theridiidae | 490 (T from Theridion) | Thymoites caracasanus |
| Thymoites gibbithorax | Theridiidae | 491 (Tm from Theridion) | Thymoites gibbithorax |
| Thymoites lobifrons | Theridiidae | 491 (Tm from Theridion) | Thymoites lobifrons |
| Thymoites rarus | Theridiidae | 492 (Tf from Theridion) | Thymoites rarus |
| Thymoites struthio | Theridiidae | 492 (Tm from Theridion) | Thymoites struthio |
| Wamba congener | Theridiidae | 563, f. 161-165 (mf) | Theridion atropunctatum |
| Wamba crispulus | Theridiidae | 564, f. 166-172 (mf) | Theridion crispulum |
Genera
No genus found for this reference