- Theridion acutitarse
- Theridion adjacens
- Theridion agrarium
- Theridion agreste
- Theridion agrifoliae
- Theridion alacre
- Theridion albidum
- Theridion albostriatum
- Theridion albulum
- Theridion antillanum
- Theridion antonii
- Theridion aspersum
- Theridion astrigerum
- Theridion beebei
- Theridion bentificum
- Theridion betteni
- Theridion bicorne
- Theridion boesenbergi
- Theridion buxtoni
- Theridion calcynatum
- Theridion californicum
- Theridion caliginosum
- Theridion campestratum
- Theridion catharina
- Theridion cavipalpum
- Theridion cheimatos
- Theridion cinereum
- Theridion cloxum
- Theridion cochise
- Theridion cynicum
- Theridion denticulatum
- Theridion derhami
- Theridion diadematum
- Theridion differens
- Theridion dilucidum
- Theridion dilutum
- Theridion electum
- Theridion ellicottense
- Theridion evexum
- Theridion excavatum
- Theridion exlineae
- Theridion extrilidium
- Theridion familiare
- Theridion fastosum
- Theridion fatuhivaense
- Theridion flavonotatum
- Theridion formosum
- Theridion frondeum
- Theridion giganteum
- Theridion glaucescens
- Theridion gracile
- Theridion grallator
- Theridion haleakalense
- Theridion hannoniae
- Theridion hassleri
- Theridion hebridisianum
- Theridion hemerobium
- Theridion hidalgo
- Theridion hirsutum
- Theridion hispidum
- Theridion hopkinsi
- Theridion impegrum
- Theridion inquinatum
- Theridion istokpoga
- Theridion kauaiense
- Theridion kawea
- Theridion kentuckyense
- Theridion kentuckyensis
- Theridion kraussi
- Theridion lawrencei
- Theridion leechi
- Theridion liliputanum
- Theridion linaresense
- Theridion llano
- Theridion longipedatum
- Theridion manonoense
- Theridion maranum
- Theridion marxii
- Theridion mataafa
- Theridion mauiense
- Theridion melanoprorum
- Theridion melanostictum
- Theridion melanurum
- Theridion melinum
- Theridion mendozae
- Theridion metabolum
- Theridion michelbacheri
- Theridion minutissimum
- Theridion morulum
- Theridion mundulum
- Theridion murarium
- Theridion mystaceum
- Theridion nagorum
- Theridion neomexicanum
- Theridion neshamini
- Theridion nigriceps
- Theridion nigromaculatum
- Theridion niveum
- Theridion notabile
- Theridion oatesi
- Theridion obnubilum
- Theridion orlando
- Theridion palanum
- Theridion pallipes
- Theridion pennsylvanicum
- Theridion perkinsi
- Theridion petraeum
- Theridion pictum
- Theridion pigrum
- Theridion pinastri
- Theridion piriformis
- Theridion plumipes
- Theridion portoricense
- Theridion positivum
- Theridion praetextum
- Theridion puellae
- Theridion punctipes
- Theridion quadripapulatum
- Theridion quadripartitum
- Theridion rabuni
- Theridion rubicundum
- Theridion rubrum
- Theridion saanichum
- Theridion samoensis
- Theridion septempunctatum
- Theridion sibiricum
- Theridion signatum
- Theridion societatis
- Theridion spinitarse
- Theridion striatum
- Theridion styligerum
- Theridion submissum
- Theridion subrotundum
- Theridion tahitiae
- Theridion tessellatum
- Theridion theridioides
- Theridion tinctorium
- Theridion torosum
- Theridion transgressum
- Theridion trepidum
- Theridion tubicola
- Theridion unanimum
- Theridion uncatum
- Theridion undatum
- Theridion undulatum
- Theridion varians
- Theridion ventillans
- Theridion wiehlei
- Theridion workmani
- Theridium simplex