ToL Scientific Contributors for Arachnida

• Steve Barker University of Queensland, Brisbane, Australia (Ixodida)
• Ligia Benavides George Washington University, Washington, D. C., USA (Mimetidae)
• Greta Binford Lewis & Clark College, Portland, Oregon, USA (Sicariidae)
• Jason Bond East Carolina University, Greenville, North Carolina, USA (Mygalomorphae)
• Jonathan Coddington Smithsonian Institution, Washington, D. C., USA (Araneae)
• Paula Cushing Denver Museum of Nature & Science, Denver, Colorado, USA (Solifugae)
• Dimitar Dimitrov Zoological Museum, University of Copenhagen (Pholcidae, Tetragnathidae)
• Wouter Fannes Royal Museum for Central Africa, Tervuren, Belgium (Oonopidae)
• Charles Griswold California Academy of Sciences, San Francisco, California, USA (Eresidae)
• Mark Harvey Western Australian Museum, Perth, Western Australia, Australia (Hydracarina)
• Marshal Hedin San Diego State University, San Diego, California, USA (Mygalomorphae, Opiliones)
• Gustavo Hormiga George Washington University, Washington, D. C., USA (Amaurobiidae, Dictynidae, Hahniidae, Linyphiidae, Mysmenidae, Pimoidae, Tetragnathidae)
• Gerald Krantz Oregon State University, Corvallis, Oregon, USA (Acari)
• Joel Ledford California Academy of Sciences, San Francisco, California, USA (Leptonetidae, Telemidae)
• Evert Lindquist Agriculture & AgriFood Canada, Ottawa, Ontario, Canada (Acari)
• Lara Lopardo George Washington University, Washington, D. C., USA (Mysmenidae, Synaphridae)
• Wayne Maddison University of British Columbia, Vancouver, British Columbia, Canada (Salticidae)
• Jeremy Miller Nationaal Natuurhistorisch Museum Naturalis, Leiden, The Netherlands (Anapidae, Eresidae, Scytodidae, Symphytognathidae, Theridiidae)
• Anna Murrell University of Queensland, Brisbane, Australia (Ixodida)
• Barry OConnor University of Michigan, Ann Arbor, Michigan, USA (Astigmata)
• Heather Proctor University of Alberta, Edmonton, Alberta, Canada (Acariformes)
• Martín J. Ramírez Museo Argentino de Ciencias Naturales, Buenos Aires, Argentina (Anapidae, Scytodidae, Symphytognathidae)
• Casey Richart San Diego State University (Ischyropsalidoidea)
• Axel Schönhofer San Diego States University, San Diego, California, USA (Opiliones)
• Scott A. Stockwell Walter Reed Biosystematics Unit Museum Support Center, Smithsonian Institution Washington, D. C., USA (Scorpionida)
• David Evans Walter University of Alberta, Edmonton, Alberta, Canada (Acari)

ToL Treehouse Contributors for Arachnida

• milespanda26
• Mutant1
• Mutant2
• Mutant3
• Mutant5
• spider2

ToL Media Contributors for Arachnida

• Jayson Ang
• Lynn Bergen
• Greta Binford Lewis & Clark College, Portland, Oregon, USA
• Cesare Brizio
• David Bygott
• Laura Carter none
• Jonathan Coddington Smithsonian Institution, Washington, D. C., USA
• Dimitar Dimitrov Zoological Museum, University of Copenhagen
• Wouter Fannes Royal Museum for Central Africa, Tervuren, Belgium
• Guillermo garuderman
• Indy Hart Colorado State University, Fort Collins, Colorado, USA
• Marshal Hedin San Diego State University, San Diego, California, USA
• Doug Howe
• Ted Kropiewnicki Retired
• Diamantis Kryonidis
• Bryan Kuhn
• Lara Lopardo George Washington University, Washington, D. C., USA
• David R. Maddison Oregon State University
• Wayne Maddison University of British Columbia, Vancouver, British Columbia, Canada
• Jeremy Miller Nationaal Natuurhistorisch Museum Naturalis, Leiden, The Netherlands
• Anna Murrell University of Queensland, Brisbane, Australia
• milespanda26
• Vivian O'Connor
• David Paxson Paxson Photography
• Mze Photos
• Heather Proctor University of Alberta, Edmonton, Alberta, Canada
• Chris A. Schmidt University of Arizona, Tucson, Arizona, USA
• Katja Schulz Smithsonian Institution, National Museum of Natural History, Washington, DC, USA
• Axel Schönhofer San Diego States University, San Diego, California, USA
• Thomas Shahan
• Scott A. Stockwell Walter Reed Biosystematics Unit Museum Support Center, Smithsonian Institution Washington, D. C., USA
• spider2
• David Evans Walter University of Alberta, Edmonton, Alberta, Canada
• Richard Walton
• Alex Wild University of Illinois, Urbana, Illinois, USA
• Alexander Yelich University of Arizona

Other Arachnida biologists and enthusiasts

• ananta ambhore dr babasaheb ambedkar marathwada university aurangabad maharastra india (Acari)
• David Bixler Boreal Studies Research Labs (Araneae, Lycosidae)
• Lisa Joy Boutin Not currently affiliated (Clubionidae)
• Franklyn Cala-Riquelme Emp. Nacional para la protección de la Flora y Fauna (Salticidae)
• Cleide Costa Museu de Zoologia, Universidade de São Paulo, Brasil (Salticidae)
• Manuel O Diaz Loyola University Stritch School of Medicine (Haplogynae)
• Hugo Fernández Facultad de Ciencias Naturales - CONICET (Parasitengona)
• Camilo Fuentes non (Salticidae)
• Brook Hall Folsom Lake College (Salticidae)
• Rene Alberto Ibarra UNAM Facultad de Estudios Superiores Iztacala (Salticidae)
• Emily Jones SDSU & ASU (Habronattus americanus)
• Sidharth Kulkarni (Latrodectus hasselti)
• Maxim Larrivee McGill (Hentzia mitrata)
• Heiko Metzner private (Salticidae)
• Jon Moore Florida Atlantic University (Acantheae, Acanthopterygii, Acanthus Clade, Acari, African Ruellia, Agaricales, Agaricomycotina, Aleocharinae, Aliatypus, Anacardiaceae, Andalucia, Ankylosauria, Arcellinida, Architeuthis, Archon bostanchii, Archonias brassolis, Argonauta, Asellariales, Aspidogastrea, Asteroidea, Atlanta brunnea, Aulacidae, Berryteuthis magister nipponensis, Bolitaena pygmaea, Bolitoglossinae, Calisto, Callichthyidae, Cardiapoda, Cardiapoda richardi, Carinaria, Carinaria challengeri, Carinaria cithara, Carinaria cristata, Carinaria galea, Carinaria japonica, Carinaria lamarcki, Carinariidae, Caryophyllales, Cassieae sensu lato (pro parte), Chaetothyriales, Chiroptera, Chlorarachniophytes, Cicindis horni, Ciconiidae, Classicula, Clusiidae, Core Eudicots, Crenarchaeota, Cryptalyra, Cryptomycocolax, Cryptoteuthis brevibracchiata, Cystobasidiomycetes, Dacrymycetales, Delitschiaceae, Dimargaritales, Diptera, Discoteuthis sp. A, Diversisporales, Echinodermata, Echinophthiriidae, Entomophthorales , Eunica, Euphasmida, Euruellia clade, Fabaceae, Firoloida demarestia, Florideophyceae, Fuscocimex caecus, Gerrardina, Gesneriaceae, Glomerales, Gregarina, Gruiformes, Harpellales, Hemidactylium scutatum, Heteroteuthis dispar, Heteroteuthis sp. A, Hydracarina, Hydrophiloidea, Hymenochaetoid clade, Hyperotreti, Hysteriaceae, IRLC (Inverted Repeat-lacking clade), Ichthyostega, Icteridae, Iridoteuthis iris, Iridoteuthis sp. A, Isanopus, Justicieae, Kickxellales, Leiopelma, Leishmania, Lepidogalaxias salamandroides, Leptosomus discolor, Libythea cinyras, Libytheinae, Lophiiformes, Magnapinna atlantica, Marattiaceae, Mastigoteuthis, Mastigoteuthis type beta, Melanoclusia bivibrissa, Melanosporales, Microbotryomycetes, Microsporidia, Mixia osmundae, Mochokidae, Monoblepharidales , Morpho, Mortierellales, Mucorales, Mygalomorphae, Mysmenidae, Neocallimastigales, Neornithes, Notholaena aureolina clade, Notonykia nesisi, Nymphalini, Odonata, Ommastrephidae, Ommastrephinae, Opisthoteuthis, Opisthoteuthis borealis, Osteoglossomorpha, Osteostraci, Oxygyrus keraudreni, Palaeognathae, Paraglomus, Parnassiinae, Passeriformes, Pelecaniformes, Percomorpha, Pipunculidae, Plasmodium, Polypodiales, Prodoxidae, Prokinetoplastina, Psocidae, Psocomorpha, Pteridaceae, Pterosoma planum, Pterotrachea, Pterotrachea coronata, Pterotracheoidea, Ptiliidae, Ptycta, Ptycta johnsoni, Pucciniomycetes, Rhinophrynus dorsalis, Rhizophydiales, Rhodomelaceae, Ruellia harveyana clade, Ruellia humilis clade, Ruellia inflata clade, Ruellia inundata clade, Ruellia jaliscana clade, Ruellia s. l., Salticidae, Samydaceae, Scyphostegia borneensis, Seymouriamorpha, Somasteroidea, Sordariomycetes, Speculum speculum, Spelerpinae, Spermophilopsis, Sporormiaceae, Stephanidae, Stephanopogon, Stephanopogon apogon, Stephanopogon minuta, Stoloteuthis leucoptera, Stratiomyidae, Synaphridae, Tetragnathidae, Tetraodontiformes, Theridiidae, Thunbergioideae, Tremellomycetes, Troctomorpha, Trogiomorpha, Trogonidae, Trypanosoma, Trypanosomatina, Verrucariaceae, Western Palearctic water frogs, Xerini, Zoopagales, Zygomycota, cheilanthoids, core Caryophyllales, core Notholaena, old Hyperoartia, supergenus Batrachoseps)
• Olivia Selbie (Buthoidea, Cambarus (Glareocola) williami)
• Hélder Pinto (Acari)
• Daniel Proud (Opiliones)
• Alberto Jesús Ramírez Reyes UNAM FES Iztacala (Salticidae)
• Amandda Rangel Nascimento Faculdades Integradas São Pedro - FAESA (Salticidae)
• David Rizzolo (Latrodectus mirabilis)
• Katja Schulz Smithsonian Institution, National Museum of Natural History, Washington, DC, USA (Admestina wheeleri, Amastigomonas, Amastigomonas debruynei, Amastigomonas filosa, Amastigomonas mutabilis, Amastigomonas terricola, Ancyromonas melba, Ancyromonas sigmoides, Antilopinae, Apusomonas, Apusomonas australiensis, Apusomonas proboscidea, Bathysciola, Beata wickhami, Bembidion (Antiperyphanes), Bembidion (Antiperyphus), Bianor aemulus, Cephenniini, Ceratoderus, Ceuthmonocharis, Coenocorypha, Collinias heterostigmus, Corethron, Discodeles, Drimeotus, Dypsocopsis nathani, Dypsocus, Elaphrus viridis, Euplatyrhopalus, Euryspeonomus, Eustra csikii, Eustra deharvengi, Eustra leclerci, Eustra matanga, Eustra plagiata, Eustra pseudomatanga, Goniotropis kuntzeni, Granulopaussus, Habrocestum xerophilum, Habronattus bulbipes, Hylopaussus, Hylotorus, Lebioderus, Leonhardella, Leptoferonia inanis, Leptoscydmus, Lyssomanes viridis, Magdelainella, Maoripsocopsis sumatrensis, Marpissa grata, Menemerus bivittatus, Merismoderus, Metabacetus arrowi, Metabacetus perakianus, Metoncidus, Metrius explodens, Miscellaneous fossil pecorans, Nemadiolus, Nemadus, Neon plutonus, Oegomesoposcus guangxiensis, Opisthiini, Ozaena boucheri, Ozaena convexa, Ozaena dentipes, Ozaena ecuadorica, Ozaena elevata, Ozaena grossa, Ozaena lemoulti, Ozaena linearis, Ozaena manu, Ozaena martinezi, Ozaena maxi, Ozaena moreti, Palaeobatrachidae, Parabathyscia, Paussomorphus, Pellenes washonus, Phacomorphus, Phaneropella, Pholeuon, Pholeuonopsis, Platycerozaena bordoni, Platycerozaena brevicornis, Platycerozaena panamensis, Platycryptus californicus, Platyrhopalopsis, Pogonotriccus, Proleonhardella, Pseudabarys columbicus, Pseudonemadus, Psoculus neglectus, Quaestus, Sitticus ammophilus, Sitticus concolor, Sooglossidae, Sophrochaeta, Spelaeobates, Speocharidius, Speodiaetus, Speonesiotes, Speonomus, Tachypeles arechavaletae, Tachypeles lecordieri, Tachypeles pascoei, Terralonus californicus, Terralonus mylothrus, Troglocharinus, Tropopsis biguttatus, Tropopsis marginicollis, Zygoballus sexpunctatus, melosirids, rhizosolenids)
• Juri Shevnin (Dipluridae)
• Luz del Carmen Tapia Jimenez Facultad de Estudios Superiores Iztacala (Salticidae)
• Maksim Vasilevsky (Salticidae)
• Dana Vernarsky flathead valley community college (Anthozoa, Centrophryne spinulosa, Ceratiidae, Ceratioidei, Charadriiformes, Chlorarachniophytes, Chondrostei, Elopomorpha, Gigantactinidae, Himantolophus, Mammalia, Megalyridae, Melanocetus, Neoceratias spinifer, Ogcocephalidae, Oneirodidae, Osteoglossomorpha, Phaethontidae, Phoenicopteridae, Planctoteuthis, Sitticus striatus, Spelerpinae, Spheniscidae, Stephanidae, Teleostei)
• Andreas Weck-Heimann Natural History Collections Dresden (Ixodida)
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