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Kingdom Animalia (animals)
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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Class Arachnida
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Order Araneae
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Family Theridiidae
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Genus Theridion-



Species Theridion abruptum -



Species Theridion accoense -



Species Theridion acutitarse -



Species Theridion adjacens -



Species Theridion adrianopoli -



Species Theridion aeolium -



Species Theridion agrarium -



Species Theridion agreste -



Species Theridion agrifoliae -



Species Theridion akme -



Species Theridion akron -



Species Theridion albidorsum -



Species Theridion albidum -



Species Theridion albioculum -



Species Theridion albipes -



Species Theridion albocinctum -



Species Theridion albodecoratum -



Species Theridion albolineatum -



Species Theridion albolineolatum -



Species Theridion albomaculosum -



Species Theridion albopictum -



Species Theridion albostriatum -



Species Theridion albulum -



Species Theridion altum -



Species Theridion amarga -



Species Theridion amatitlan -



Species Theridion ambiguum -



Species Theridion ampascachi -



Species Theridion ampliatum -



Species Theridion angusticeps -



Species Theridion angustifrons -



Species Theridion annulipes -



Species Theridion anson -



Species Theridion antillanum -



Species Theridion antron -



Species Theridion apiculatum -



Species Theridion aporum -



Species Theridion apostoli -



Species Theridion apulco -



Species Theridion aragua -



Species Theridion archeri -



Species Theridion argentatulum -



Species Theridion arizonense -



Species Theridion artum -



Species Theridion aruanum -



Species Theridion arushae -



Species Theridion asbolodes -



Species Theridion astrigerum -



Species Theridion atratum -



Species Theridion attritum -



Species Theridion auberti -



Species Theridion aulos -



Species Theridion australe -



Species Theridion baccula -



Species Theridion baltasarense -



Species Theridion banksi -



Species Theridion barbarae -



Species Theridion beebei -



Species Theridion bellatulum -



Species Theridion bergi -



Species Theridion berlandi -



Species Theridion betteni -



Species Theridion bicruciatum -



Species Theridion bidepressum -



Species Theridion biezankoi -



Species Theridion biforaminum -



Species Theridion biolleyi -



Species Theridion biseriatum -



Species Theridion bitakum -



Species Theridion blackwalli -



Species Theridion blaisei -



Species Theridion boesenbergi -



Species Theridion bolivari -



Species Theridion bolum -



Species Theridion bomae -



Species Theridion botanicum -



Species Theridion brachypus -



Species Theridion bradyanum -



Species Theridion brunellii -



Species Theridion brunneonigrum -



Species Theridion bryantae -



Species Theridion bullatum -



Species Theridion buxtoni -



Species Theridion calcynatum -



Species Theridion californicum -



Species Theridion caliginosum -



Species Theridion cameronense -



Species Theridion campestratum -



Species Theridion caplandense -



Species Theridion carinatum -



Species Theridion carpathium -



Species Theridion cassinicola -



Species Theridion castaneum -



Species Theridion catharina -



Species Theridion cavipalpe -



Species Theridion cazieri -



Species Theridion centrum -



Species Theridion chacoense -



Species Theridion chakinuense -



Species Theridion chamberlini -



Species Theridion charitonowi -



Species Theridion cheimatos -



Species Theridion cheni -



Species Theridion chihuahua -



Species Theridion chiriqui -



Species Theridion chonetum -



Species Theridion choroni -



Species Theridion cinctipes -



Species Theridion cinereum -



Species Theridion circumtextum -



Species Theridion climacode -



Species Theridion clivalum -



Species Theridion cloxum -



Species Theridion clypeatellum -



Species Theridion cochise -



Species Theridion cochrum -



Species Theridion cocosense -



Species Theridion coenosum -



Species Theridion cohni -



Species Theridion coldeniae -



Species Theridion comstocki -



Species Theridion confusum -



Species Theridion conigerum -



Species Theridion contreras -



Species Theridion convexellum -



Species Theridion convexisternum -



Species Theridion corcyraeum -



Species Theridion costaricaense -



Species Theridion cowlesae -



Species Theridion coyoacan -



Species Theridion crinigerum -



Species Theridion cruciferum -



Species Theridion crucum -



Species Theridion cuspulatum -



Species Theridion cuyutlan -



Species Theridion cynicum -



Species Theridion dafnense -



Species Theridion darolense -



Species Theridion davisorum -



Species Theridion dayongense -



Species Theridion decemmaculatum -



Species Theridion decemperlatum -



Species Theridion dedux -



Species Theridion delicatum -



Species Theridion derhami -



Species Theridion diadematum -



Species Theridion dianiphum -



Species Theridion differens -



Species Theridion dilucidum -



Species Theridion dilutum -



Species Theridion dividuum -



Species Theridion dominica -



Species Theridion dreisbachi -



Species Theridion dubium -



Species Theridion dukouense -



Species Theridion dulcineum -



Species Theridion durbanicum -



Species Theridion ecuadorense -



Species Theridion egyptium -



Species Theridion electum -



Species Theridion elegantissimum -



Species Theridion elevatum -



Species Theridion elimatum -



Species Theridion elisabethae -



Species Theridion elli -



Species Theridion ellicottense -



Species Theridion emertoni -



Species Theridion epiense -



Species Theridion eremum -



Species Theridion eugeni -



Species Theridion evexum -



Species Theridion excavatum -



Species Theridion exlineae -



Species Theridion expallidatum -



Species Theridion familiare -



Species Theridion fastosum -



Species Theridion fatuhivaense -



Species Theridion femorale -



Species Theridion femoratissimum -



Species Theridion fernandense -



Species Theridion filum -



Species Theridion flabelliferum -



Species Theridion flavonotatum -



Species Theridion flavoornatum -



Species Theridion fornicatum -



Species Theridion frio -



Species Theridion frizzellorum -



Species Theridion frondeum -



Species Theridion fruticum -



Species Theridion fungosum -



Species Theridion furfuraceum -



Species Theridion fuscodecoratum -



Species Theridion fuscomaculatum -



Species Theridion fuscum -



Species Theridion gabardi -



Species Theridion galerum -



Species Theridion gekkonicum -



Species Theridion geminipunctum -



Species Theridion genistae -



Species Theridion gentile -



Species Theridion gertschi -



Species Theridion gibbum -



Species Theridion gigantipes -



Species Theridion giraulti -



Species Theridion glaciale -



Species Theridion glaucescens -



Species Theridion glaucinum -



Species Theridion goodnightorum -



Species Theridion gracilipes -



Species Theridion grallator -



Species Theridion gramineum -



Species Theridion grammatophorum -



Species Theridion grancanariense -



Species Theridion grandiosum -



Species Theridion grecia -



Species Theridion gyirongense -



Species Theridion hainenense -



Species Theridion haleakalense -



Species Theridion hannoniae -



Species Theridion hartmeyeri -



Species Theridion hassleri -



Species Theridion hebridisianum -



Species Theridion helophorum -



Species Theridion hemerobium -



Species Theridion hermonense -



Species Theridion hewitti -



Species Theridion hidalgo -



Species Theridion hierichonticum -



Species Theridion hispidum -



Species Theridion histrionicum -



Species Theridion hondurense -



Species Theridion hopkinsi -



Species Theridion hotanense -



Species Theridion huanuco -



Species Theridion hufengensis -



Species Theridion hui -



Species Theridion humboldti -



Species Theridion hummeli -



Species Theridion idiotypum -



Species Theridion illecebrosum -



Species Theridion impegrum -



Species Theridion impressithorax -



Species Theridion impressum -



Species Theridion incanescens -



Species Theridion incertissimum -



Species Theridion incertum -



Species Theridion incomtum -



Species Theridion inconspicuum -



Species Theridion indicum -



Species Theridion innocuum -



Species Theridion inquinatum -



Species Theridion insignitarse -



Species Theridion intritum -



Species Theridion iramon -



Species Theridion ischagosum -



Species Theridion isorium -



Species Theridion istokpoga -



Species Theridion italiense -



Species Theridion jordanense -



Species Theridion kambalum -



Species Theridion karamayense -



Species Theridion kauaiense -



Species Theridion kawea -



Species Theridion kibonotense -



Species Theridion kiliani -



Species Theridion kobrooricum -



Species Theridion kochi -



Species Theridion kollari -



Species Theridion kraepelini -



Species Theridion kraussi -



Species Theridion lacticolor -



Species Theridion laevigatum -



Species Theridion lago -



Species Theridion lamperti -



Species Theridion lanceatum -



Species Theridion lapidicola -



Species Theridion latisternum -



Species Theridion lawrencei -



Species Theridion leechi -



Species Theridion leguiai -



Species Theridion lenzianum -



Species Theridion leones -



Species Theridion leucophaeum -



Species Theridion leve -



Species Theridion leviorum -



Species Theridion liaoyuanense -



Species Theridion limatum -



Species Theridion limitatum -



Species Theridion linaresense -



Species Theridion linzhiense -



Species Theridion llano -



Species Theridion lomirae -



Species Theridion longicrure -



Species Theridion longihirsutum -



Species Theridion longipalpum -



Species Theridion longipedatum -



Species Theridion ludekingi -



Species Theridion ludius -



Species Theridion lumabani -



Species Theridion luteitarse -



Species Theridion macei -



Species Theridion machu -



Species Theridion macropora -



Species Theridion macuchi -



Species Theridion maculiferum -



Species Theridion magdalenense -



Species Theridion maindroni -



Species Theridion manjithar -



Species Theridion manonoense -



Species Theridion maranum -



Species Theridion maron -



Species Theridion martini -



Species Theridion mataafa -



Species Theridion mauense -



Species Theridion mauiense -



Species Theridion mehlum -



Species Theridion melanoplax -



Species Theridion melanoprorum -



Species Theridion melanosternon -



Species Theridion melanostictum -



Species Theridion melanurum -



Species Theridion melinum -



Species Theridion mendozae -



Species Theridion meneghettii -



Species Theridion metabolum -



Species Theridion metator -



Species Theridion michelbacheri -



Species Theridion micheneri -



Species Theridion minutissimum -



Species Theridion minutulum -



Species Theridion miserum -



Species Theridion modestum -



Species Theridion molliculum -



Species Theridion mollissimum -



Species Theridion montanum -



Species Theridion monzonense -



Species Theridion mortuale -



Species Theridion morulum -



Species Theridion murarium -



Species Theridion musivivoides -



Species Theridion musivivum -



Species Theridion musivum -



Species Theridion myersi -



Species Theridion mystaceum -



Species Theridion mysteriosum -



Species Theridion nadleri -



Species Theridion nagorum -



Species Theridion nasinotum -



Species Theridion nasutum -



Species Theridion necijaense -



Species Theridion negebense -



Species Theridion neomexicanum -



Species Theridion neshamini -



Species Theridion nesticum -



Species Theridion nigriceps -



Species Theridion nigroannulatum -



Species Theridion nigroplagiatum -



Species Theridion nigropunctatum -



Species Theridion nigropunctulatum -



Species Theridion nigrosacculatum -



Species Theridion nigrovariegatum -



Species Theridion nilgherinum -



Species Theridion niphocosmum -



Species Theridion niveopunctatum -



Species Theridion niveum -



Species Theridion nivosum -



Species Theridion nodiferum -



Species Theridion nojimai -



Species Theridion nudum -



Species Theridion oatesi -



Species Theridion obscuratum -



Species Theridion ochreolum -



Species Theridion octoferum -



Species Theridion odoratum -



Species Theridion ohlerti -



Species Theridion olaup -



Species Theridion omiltemi -



Species Theridion onticolum -



Species Theridion opolon -



Species Theridion opuntia -



Species Theridion orgea -



Species Theridion orlando -



Species Theridion osprum -



Species Theridion oswaldocruzi -



Species Theridion otsospotum -



Species Theridion palanum -



Species Theridion palgongense -



Species Theridion pallidulum -



Species Theridion palmgreni -



Species Theridion pandani -



Species Theridion panganii -



Species Theridion paraense -



Species Theridion parvulum -



Species Theridion parvum -



Species Theridion patrizii -



Species Theridion pelaezi -



Species Theridion pennsylvanicum -



Species Theridion perkinsi -



Species Theridion pernambucum -



Species Theridion perpusillum -



Species Theridion petraeum -



Species Theridion petrunkevitchi -



Species Theridion phaeostomum -



Species Theridion pictipes -



Species Theridion pictum -



Species Theridion pigrum -



Species Theridion pilatum -



Species Theridion piligerum -



Species Theridion piliphilum -



Species Theridion pinastri -



Species Theridion pinguiculum -



Species Theridion pinicola -



Species Theridion pires -



Species Theridion piriforme -



Species Theridion plaumanni -



Species Theridion plectile -



Species Theridion plumipes -



Species Theridion pluviale -



Species Theridion poecilum -



Species Theridion porphyreticum -



Species Theridion positivum -



Species Theridion posticatum -



Species Theridion postmarginatum -



Species Theridion praeclusum -



Species Theridion praemite -



Species Theridion praetextum -



Species Theridion prominens -



Species Theridion proximum -



Species Theridion puellae -



Species Theridion pulanense -



Species Theridion pumilio -



Species Theridion punctipes -



Species Theridion punicapunctatum -



Species Theridion punongpalayum -



Species Theridion purcelli -



Species Theridion pyramidale -



Species Theridion pyrenaeum -



Species Theridion qingzangense -



Species Theridion quadratum -



Species Theridion quadrilineatum -



Species Theridion quadripapulatum -



Species Theridion quadripartitum -



Species Theridion rabuni -



Species Theridion rafflesi -



Species Theridion rampum -



Species Theridion ravum -



Species Theridion refugum -



Species Theridion reinhardti -



Species Theridion resum -



Species Theridion retreatense -



Species Theridion retrocitum -



Species Theridion rhodonotum -



Species Theridion ricense -



Species Theridion rossi -



Species Theridion rostriferum -



Species Theridion rothi -



Species Theridion rubiginosum -



Species Theridion rubrum -



Species Theridion rurrenabaque -



Species Theridion ruwenzoricola -



Species Theridion saanichum -



Species Theridion sabinjonis -



Species Theridion sadani -



Species Theridion samoense -



Species Theridion sanctum -



Species Theridion sangzhiense -



Species Theridion sardis -



Species Theridion saropus -



Species Theridion schlingeri -



Species Theridion schrammeli -



Species Theridion sciaphilum -



Species Theridion semitinctum -



Species Theridion senckenbergi -



Species Theridion septempunctatum -



Species Theridion serpatusum -



Species Theridion sertatum -



Species Theridion setiferum -



Species Theridion setosum -



Species Theridion setum -



Species Theridion seximaculatum -



Species Theridion sibiricum -



Species Theridion sinaloa -



Species Theridion sisyphium -



Species Theridion soaresi -



Species Theridion societatis -



Species Theridion solium -



Species Theridion spinigerum -



Species Theridion spinitarse -



Species Theridion spinosissimum -



Species Theridion squalidum -



Species Theridion stamotum -



Species Theridion stannardi -



Species Theridion strepitus -



Species Theridion striatum -



Species Theridion styligerum -



Species Theridion subitum -



Species Theridion submirabile -



Species Theridion submissum -



Species Theridion subpingue -



Species Theridion subradiatum -



Species Theridion subrotundum -



Species Theridion subvittatum -



Species Theridion sulawesiense -



Species Theridion swarczewskii -



Species Theridion t-notatum -



Species Theridion taegense -



Species Theridion tahitiae -



Species Theridion tamerlani -



Species Theridion tayrona -



Species Theridion tebanum -



Species Theridion teliferum -



Species Theridion tenellum -



Species Theridion tenuissimum -



Species Theridion teresae -



Species Theridion tessellatum -



Species Theridion teutanoides -



Species Theridion thaleri -



Species Theridion thalia -



Species Theridion theridioides -



Species Theridion thorelli -



Species Theridion tigrae -



Species Theridion tikaderi -



Species Theridion timpanogos -



Species Theridion tinctorium -



Species Theridion todinum -



Species Theridion topo -



Species Theridion torosum -



Species Theridion trahax -



Species Theridion transgressum -



Species Theridion trepidum -



Species Theridion triangulare -



Species Theridion trifile -



Species Theridion trigonicum -



Species Theridion tristani -



Species Theridion triviale -



Species Theridion trizonatum -



Species Theridion tubicola -



Species Theridion tungurahua -



Species Theridion turrialba -



Species Theridion uber -



Species Theridion uhligi -



Species Theridion umbilicus -



Species Theridion uncatum -



Species Theridion undatum -



Species Theridion undulanotum -



Species Theridion urnigerum -



Species Theridion ursoi -



Species Theridion urucum -



Species Theridion usitum -



Species Theridion utcuyacu -



Species Theridion valleculum -



Species Theridion vallisalinarum -



Species Theridion vanhoeffeni -



Species Theridion varians -



Species Theridion ventricosum -



Species Theridion vespertinum -



Species Theridion viridanum -



Species Theridion volubile -



Species Theridion vosserleri -



Species Theridion vossi -



Species Theridion vossioni -



Species Theridion vulvum -



Species Theridion weberi -



Species Theridion weyrauchi -



Species Theridion whitcombi -



Species Theridion wiehlei -



Species Theridion workmani -



Species Theridion xianfengense -



Species Theridion xinjiangense -



Species Theridion yani -



Species Theridion yuma -



Species Theridion yunnanense -



Species Theridion zantholabio -



Species Theridion zebra -



Species Theridion zebrinum -



Species Theridion zekharya -



Species Theridion zhangmuense -



Species Theridion zhaoi -



Species Theridion zhoui -



Species Theridion zonarium -



Species Theridion zonatum -



Species Theridion zonulatum
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Confused by a class within a class or an order within an order? Please see our brief essay.
Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.



