Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Cambridge (Middlesex County, Massachusetts, USA)
List of families for Cambridge (Middlesex County Massachusetts)
44 Families width 185 Species #ALCBMDTPGESINHU
| Araneidae (Simon, 1895) | Golden orb web spiders | 19 | Species | Taxom | | Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 1 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 32 | Species | Taxom | | Alloptidae Gaud, 1957 | | 1 | Species | Taxom | | Anyphaenidae Bertkau, 1878 | Anyphaenid sac spiders | 3 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 7 | Species | Taxom | | Arrenuridae Thor, 1900 | | 0 | Species | Taxom | | Blattisociidae Garman, 1948 | | 0 | Species | Taxom | | Amaurobiidae Thorell, 1870 | Amaurobiids | 1 | Species | Taxom | | Carabodidae Koch, 1837 | | 1 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 1 | Species | Taxom | | Cheliferidae (Risso, 1826) | | 2 | Species | Taxom | | Chernetidae Menge, 1855 | | 2 | Species | Taxom | | Chthoniidae Daday, 1888 | | 1 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 6 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 6 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 15 | Species | Taxom | | Amblyommidae Banks, 1907 | | 1 | Species | Taxom | | Dermanyssidae Kolenati, 1859 | Dermanyssid mites | 1 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 3 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 6 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Laelapidae Berlese, 1892 | | 1 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 1 | Species | Taxom | | Eriophyidae Nalepa, 1898 | Blister mites | 1 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 19 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 9 | Species | Taxom | | Iolinidae Pritchard, 1956 | | 0 | Species | Taxom | | Ixodidae (C. L. Koch, 1844) | Hard Tick | 1 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 4 | Species | Taxom | | Sicariidae (Keyserling, 1880) | Brown recluse spiders | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 12 | Species | Taxom | | Neobisiidae Chamberlin, 1930 | | 1 | Species | Taxom | | Mimetidae Simon, 1881 | Pirate spider | 1 | Species | Taxom | | Nemastomatidae Simon, 1872 | | 1 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 1 | Species | Taxom | | Nesticidae Simon, 1894 | Cave cobweb spider | 1 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 2 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 12 | Species | Taxom | | Philodromidae (Thorell, 1870) | False crab spiders | 4 | Species | Taxom | | Tanaupodidae Thor, 1935 | | 1 | Species | Taxom | | Melicharidae Hirschmann, 1962 | | 0 | Species | Taxom | | Tengellidae Dahl, 1908 | Tengellid spiders | 1 | Species | Taxom | | Uloboridae Thorell, 1869 | Cribellate orb weavers | 1 | Species | Taxom |
Genera for Cambridge (Middlesex County Massachusetts)
135 Genera with 185 Species #ABCDEFGHILMNOPSTUWXYZ
| Acanthepeira Marx, 1805 | | 1 | Species | Taxom | | Agelenopsis Giebel, 1846 | American grass spiders | 1 | Species | Taxom | | Agyneta Hull, 1882 | | 2 | Species | Taxom | | Alloptes Canestrini, 1976 | | 1 | Species | Taxom | | Anyphaena Sundevall, 1866 | | 2 | Species | Taxom | | Apochinomma Pavesi, 1896 | | 1 | Species | Taxom | | Araneus Clerck, 1847 | Angulate & roundshouldered orbweavers | 3 | Species | Taxom | | Araniella Chamberlin &..., 1847 | Cucumber spiders | 1 | Species | Taxom | | Argiope Audouin, 1775 | Garden orbweavers | 2 | Species | Taxom | Arrenurus Dugès, 1834 | | 0 | Species | Taxom | | Bathyphantes Menge, 1892 | | 2 | Species | Taxom | Blattisocius Keegan, 1944 | | 0 | Species | Taxom | | Callobius Chamberlin, 1846 | Hacklemesh Weaver | 1 | Species | Taxom | | Carabodes Koch, 1914 | | 1 | Species | Taxom | | Castianeira Keyserling, 1841 | Ant-Mimic Sac Spiders | 1 | Species | Taxom | | Centromerus Dahl, 1841 | | 1 | Species | Taxom | | Ceraticelus Simon, 1892 | | 2 | Species | Taxom | | Ceratinella Emerton, 1882 | | 1 | Species | Taxom | | Ceratinops Banks, 1882 | | 2 | Species | Taxom | | Ceratinopsis Emerton, 1882 | | 1 | Species | Taxom | | Cheiracanthium C. L. Koch, 1864 | Longlegged sac spiders | 1 | Species | Taxom | | Chelifer Geoffroy, 1758 | | 1 | Species | Taxom | | Chernes Menge, 1868 | | 1 | Species | Taxom | | Chthonius Koch, 1804 | | 1 | Species | Taxom | | Cicurina Menge, 1890 | | 1 | Species | Taxom | | Clubiona Latreille, 1847 | Leaf curling sac spiders | 5 | Species | Taxom | | Collinsia O. P.-Cambridge, 1882 | | 1 | Species | Taxom | | Crustulina Menge, 1861 | | 1 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 1 | Species | Taxom | | Dermanyssus Dugès, 1778 | | 1 | Species | Taxom | | Dictyna Sundevall, 1881 | | 3 | Species | Taxom | | Diplostyla Emerton, 1834 | | 1 | Species | Taxom | | Dipoena Thorell, 1882 | | 1 | Species | Taxom | | Dolomedes Latreille, 1844 | Dock spiders | 2 | Species | Taxom | | Drassyllus Chamberlin, 1896 | | 2 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | Echinonyssus Hirst, 1925 | | 0 | Species | Taxom | | Elaver O. P.-Cambridge, 1866 | | 1 | Species | Taxom | | Emblyna Chamberlin, 1850 | | 2 | Species | Taxom | | Enoplognatha Pavesi, 1758 | | 1 | Species | Taxom | | Eotetranychus Oudemans, 1804 | | 1 | Species | Taxom | | Eridantes Crosby & Bishop, 1882 | | 1 | Species | Taxom | | Erigone Audouin, 1882 | Black Dwarf Spiders | 1 | Species | Taxom | | Eriophyes Siebold, 1857 | | 1 | Species | Taxom | | Eris C. L. Koch, 1845 | | 1 | Species | Taxom | | Euryopis Menge, 1850 | | 1 | Species | Taxom | | Eustala Simon, 1904 | | 2 | Species | Taxom | | Evarcha Simon, 1883 | | 1 | Species | Taxom | | Frontinella Cambridge, 1841 | | 1 | Species | Taxom | | Glenognatha Simon, 1894 | | 1 | Species | Taxom | | Grammonota Emerton, 1875 | | 3 | Species | Taxom | | Habronattus F. O. P.-Cam..., 1846 | Paradise Spiders | 1 | Species | Taxom | | Haplodrassus Chamberlin, 1839 | | 1 | Species | Taxom | | Hentziectypus Archer, 1850 | | 1 | Species | Taxom | | Herpyllus Hentz, 1832 | | 1 | Species | Taxom | | Hibana Brescovit, 1847 | | 1 | Species | Taxom | | Hypselistes Simon, 1875 | | 1 | Species | Taxom | | Hypsosinga Ausserer, 1847 | | 2 | Species | Taxom | Iolina A. E. Pritchard, 1956 | | 0 | Species | Taxom | | Ixodes Latreille, 1869 | | 1 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 2 | Species | Taxom | | Leiobunum C. L. Koch, 1821 | Daddy Long Leg Spiders | 4 | Species | Taxom | | Leucauge White, 1841 | Orchard Spider And Allies | 1 | Species | Taxom | Loxoceles | | 0 | Species | Taxom | | Loxosceles Heineken & Lowe, 1820 | Brown spiders | 1 | Species | Taxom | | Mangora O. P.-Cambridge, 1847 | | 3 | Species | Taxom | | Marpissa C. L. Koch, 1892 | | 1 | Species | Taxom | | Mecaphesa Simon, 1847 | | 1 | Species | Taxom | | Mermessus O. P.-Cambridge, 1882 | | 2 | Species | Taxom | | Micrathena Sundevall, 1805 | | 1 | Species | Taxom | | Microbisium Chamberlin, 1868 | | 1 | Species | Taxom | | Mimetus Hentz, 1923 | Pirate spiders | 1 | Species | Taxom | | Misumena Latreille, 1758 | Flower crab spiders | 1 | Species | Taxom | | Misumenoides F. O. P-Camb..., 1837 | | 1 | Species | Taxom | | Misumessus Banks, 1880 | | 1 | Species | Taxom | | Naphrys Edwards, 1846 | | 1 | Species | Taxom | | Nemastoma C.L.Koch, 1851 | | 1 | Species | Taxom | | Neoantistea Gertsch, 1887 | | 1 | Species | Taxom | | Neon Simon, 1888 | | 1 | Species | Taxom | | Neoscona Simon, 1842 | Spotted orbweavers | 1 | Species | Taxom | | Neospintharus Exline, 1850 | | 1 | Species | Taxom | | Neriene Blackwall, 1892 | | 2 | Species | Taxom | | Nesticus Thorell, 1758 | | 1 | Species | Taxom | | Obisium touricum Beier, 1868 | | 1 | Species | Taxom | | Ondatralaelaps Evans & Till, 1909 | | 1 | Species | Taxom | | Opilio Herbst, 1778 | | 1 | Species | Taxom | | Ozyptila Simon, 1837 | Leaflitter crab spiders | 1 | Species | Taxom | | Pachygnatha Sundevall, 1845 | Thickjawed Orb Weavers | 1 | Species | Taxom | | Parasteatoda Archer, 1841 | Comb-Clawed Spider | 2 | Species | Taxom | | Pardosa C. L. Koch, 1844 | Thin-legged Wolf Spider | 5 | Species | Taxom | | Pelegrina Franganillo, 1837 | White-Cheeked Jumping Spiders | 3 | Species | Taxom | | Phalangium Linnaeus, 1761 | | 1 | Species | Taxom | | Phidippus C. L. Koch, 1885 | | 2 | Species | Taxom | | Philodromus Walckenaer, 1826 | Running Crab Spider | 3 | Species | Taxom | | Phrurotimpus Chamberlin &..., 1911 | | 1 | Species | Taxom | | Pirata Sundevall, 1757 | Pirate wolf spiders | 1 | Species | Taxom | | Piratula Roewer, 1885 | | 1 | Species | Taxom | | Pisaurina Simon, 1837 | | 1 | Species | Taxom | | Pityohyphantes Simon, 1943 | Hammock Spiders | 2 | Species | Taxom | | Polydiscia Methlagl, 2003 | | 1 | Species | Taxom | Proctolaelaps Berlese, 1923 | | 0 | Species | Taxom | | Pselaphochernes Beier, 1804 | | 1 | Species | Taxom | | Pseudeuophrys Dahl, 1826 | | 1 | Species | Taxom | | Salticus Latreille, 1757 | Zebra Spider | 1 | Species | Taxom | | Sassacus Peckham & Pe..., 1846 | | 1 | Species | Taxom | | Satilatlas Keyserling, 1886 | | 1 | Species | Taxom | | Schizocosa Chamberlin, 1951 | | 2 | Species | Taxom | | Scotinella Banks, 1890 | | 2 | Species | Taxom | | Sergiolus Simon, 1837 | | 1 | Species | Taxom | | Sidusa Peckham & Pe..., 1826 | | 1 | Species | Taxom | | Socalchemmis Platnick & U..., 1919 | | 1 | Species | Taxom | | Souessa Crosby & Bishop, 1874 | | 1 | Species | Taxom | | Soulgas Crosby & Bishop, 1909 | | 1 | Species | Taxom | | Synageles Simon, 1850 | | 1 | Species | Taxom | | Talavera Peckham & Pe..., 1895 | | 1 | Species | Taxom | | Tapinopa Westring, 1893 | | 1 | Species | Taxom | | Tenuiphantes Saaristo & T..., 1882 | | 1 | Species | Taxom | | Tetragnatha Latreille, 1842 | Four-jawed spider | 6 | Species | Taxom | | Theridion Walckenaer, 1882 | Tangle-Web Spiders | 4 | Species | Taxom | | Theridula Emerton, 1954 | | 1 | Species | Taxom | | Thymoites Keyserling, 1882 | | 1 | Species | Taxom | | Tibellus Simon, 1802 | Slender Crab Spider | 1 | Species | Taxom | | Tigrosa Brady, 1837 | | 1 | Species | Taxom | | Tmarus Simon, 1837 | | 1 | Species | Taxom | | Trachelas L. Koch, 1887 | Running Spider | 1 | Species | Taxom | | Trochosa C. L. Koch, 1856 | | 2 | Species | Taxom | | Tutelina Simon, 1891 | | 1 | Species | Taxom | | Uloborus Latreille, 1842 | Cribellate Orb Weaver | 1 | Species | Taxom | | Utivarachna Kishida, 2001 | | 1 | Species | Taxom | | Walckenaeria Blackwall, 1874 | | 1 | Species | Taxom | | Xysticus Koch, 1880 | Ground Crab Spider | 6 | Species | Taxom | | Yunohamella Yoshida, 1842 | | 1 | Species | Taxom | | Zelotes Gistel, 1945 | | 1 | Species | Taxom | | Zygiella F. O. P.-Cam..., 1757 | | 1 | Species | Taxom | | Zygoballus Peckham & Pe..., 1888 | | 1 | Species | Taxom |
Species list for Cambridge (Middlesex County Massachusetts)
185 Species | Acanthepeira stellata Walckenaer, 1805 | Star-bellied orb-weaver | | Agelenopsis potteri John Blackwall, 1846 | Potter'S Grass Spider | | Agyneta fabra Keyserling, 1886 | | | Agyneta micaria Emerton, 1882 | | | Alloptes (Sternalloptes) cyrtolobus Gaud, 1976 | | | Anyphaena celer Nicholas Mar..., 1847 | | | Anyphaena pectorosa Ludwig Carl ..., 1866 | Redflower buckwheat | | Apochinomma formica Eugène Simon, 1896 | | | Araneus diadematus Clerck, 1758 | Cross orbweaver | | Araneus thaddeus (Hentz, 1847) | ⇒ Araneus meropes Keyserling, 1865 | | Araneus trifolium Hentz, 1847 | Shamrock orbweaver | | Araniella displicata Hentz, 1847 | Six-spotted orbweaver | | Argiope aurantia Lucas, 1833 | American garden spider | | Argiope trifasciata Forsskål, 1775 | Banded Argiope | | Bathyphantes brevis Emerton, 1911 | | | Bathyphantes pallidus (Banks, 1892) | ⇒ Agyneta angulata Emerton, 1882 | | Callobius bennetti Blackwall, 1846 | Bennett'S Laceweaver | | Carabodes scymnus Hull, 1914 | | | Castianeira cingulata Carl Ludwig ..., 1841 | Two-Banded Ant-Mimic Sac Spider | | Centromerus sylvaticus Blackwall, 1841 | | | Ceraticelus atriceps Octavius Pic..., 1874 | | | Ceraticelus similis Richard C. B..., 1892 | | | Ceratinella brunnea James Henry ..., 1882 | | | Ceratinops crenatus James Henry ..., 1882 | | | Ceratinops latus James Henry ..., 1882 | | | Ceratinopsis laticeps James Henry ..., 1882 | | | Cheiracanthium mildei L. Koch, 1864 | North Yellow Sac Spider | | Chelifer cancroides Linnaeus, 1758 | Book pseudoscorpion | | Chernes sanborni Hagen, 1868 | | | Chthonius (Chthonius) ischnocheles Hermann, 1804 | Common Chthonid | | Cicurina brevis James Henry ..., 1890 | Small-Eared Meshweaver | | Clubiona abboti Ludwig Carl ..., 1866 | Redflower buckwheat | | Clubiona bryantae Willis J. Ge..., 1941 | | | Clubiona johnsoni Willis J. Ge..., 1941 | | | Clubiona maritima Ludwig Carl ..., 1867 | | | Clubiona obesa Nicholas Mar..., 1847 | Drummond's clematis | | Collinsia plumosa James Henry ..., 1882 | | | Crustulina sticta (O. P.-Cambridge, 1861) | ⇒ Crustulina guttata Wider, 1834 | | Dermacentor variabilis Say, 1821 | American dog tick | | Dermanyssus (Dermanyssus) gallinae De Geer, 1778 | Bird mite | | Dictyna bostoniensis James Henry ..., 1888 | | | Dictyna brevitarsa James Henry ..., 1915 | Florida sphagnum | | Dictyna volucripes Eugen von Ke..., 1881 | Mesh weaver | | Diplostyla concolor Wider, 1834 | | | Dipoena nigra (James Henry ..., 1882) | ⇒ Theridula nigerrima Alexander Pe..., 1911 | | Dolomedes striatus Christoph Go..., 1869 | | | Dolomedes tenebrosus (Nicholas Mar..., 1844) | ⇒ Dolomedes vittatus Charles Atha..., 1837 | | Drassyllus depressus Emerton, 1890 | | | Drassyllus niger Banks, 1896 | | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Elaver excepta Ludwig Carl ..., 1866 | White Sac Spider | | Emblyna annulipes John Blackwall, 1846 | | | Emblyna sublata Nicholas Mar..., 1850 | | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Eotetranychus tiliarium Hermann, 1804 | Lime mite | | Eridantes erigonoides James Henry ..., 1882 | | | Erigone autumnalis James Henry ..., 1882 | Dwarf weaver | | Eriophyes tiliae Pagenstecher, 1857 | Bugle gall | | Eris militaris Nicholas Mar..., 1845 | Bronze jumper | | Euryopis funebris Hentz, 1850 | | | Eustala anastera (Walckenaer, 1842) | ⇒ Eustala conchlea Henry Christ..., 1888 | | Eustala emertoni Richard C. B..., 1904 | | | Evarcha hoyi (Peckham & Pe..., 1883) | ⇒ Evarcha proszynskii Marusik & Lo..., 1998 | | Frontinella pyramitela (Walckenaer, 1841) | ⇒ Frontinella communis Hentz, 1850 | | Glenognatha foxi McCook, 1894 | Longjawed orb weavers | | Grammonota capitata James Henry ..., 1924 | | | Grammonota inornata James Henry ..., 1882 | | | Grammonota pictilis Octavius Pic..., 1875 | | | Habronattus decorus John Blackwall, 1846 | | | Haplodrassus signifer (C. L. Koch, 1839) | ⇒ Haplodrassus pugnans Simon, 1880 | | Hentziectypus globosus Hentz, 1850 | | | Herpyllus ecclesiasticus Hentz, 1832 | Eastern parson spider | | Hibana gracilis Hentz, 1847 | Garden ghost spider | | Hypselistes florens Octavius Pic..., 1875 | Peatland Sheetweb Weaver | | Hypsosinga pygmaea Sundevall, 1831 | | | Hypsosinga rubens Nicholas Mar..., 1847 | | | Ixodes cookei (Packard, 1869) | ⇒ Ixodes conepati Cooley & Kohls, 1943 | | Larinioides cornutus Clerck, 1758 | Furrow orb spider | | Larinioides patagiatus Clerck, 1758 | Ornamental Orbweaver | | Leiobunum aldrichi Weed, 1893 | | | Leiobunum calcar Wood, 1870 | | | Leiobunum ventricosum Wood, 1870 | | | Leiobunum vittatum Say, 1821 | Eastern Harvestman | | Leucauge venusta Walckenaer, 1841 | Longjawed Orb Weavers | | Loxosceles rufescens (Dufour, 1820) | ⇒ Loxosceles gaucho Gertsch, 1967 | | Mangora gibberosa (Hentz, 1847) | ⇒ Mangora fascialata Franganillo, 1936 | | Mangora maculata Keyserling, 1865 | Greenlegged orbweaver | | Mangora placida Hentz, 1847 | Tuft-Legged Orb Weaver | | Marpissa formosa Richard C. B..., 1892 | Short-Bellied Slender Jumping Spider | | Mecaphesa asperata Nicholas Mar..., 1847 | Crab Spiders | | Mermessus contortus James Henry ..., 1882 | | | Mermessus trilobatus James Henry ..., 1882 | | | Micrathena gracilis Charles Atha..., 1805 | Orb Weavers | | Microbisium brunneum Hagen, 1868 | | | Mimetus notius Chamberlin, 1923 | Mt. Livermore threeband | | Misumena vatia Clerck, 1758 | Crab Spider | | Misumenoides formosipes Charles Atha..., 1837 | White banded crab spider | | Misumessus oblongus Eugen von Ke..., 1880 | American Green Crab Spider | | Naphrys pulex Nicholas Mar..., 1846 | Flea Jumping Spider | | Nemastoma (Nemastoma) leiobunum Wankel, 1851 | | | Neoantistea agilis Keyserling, 1887 | | | Neon nelli Peckham & Pe..., 1888 | | | Neoscona arabesca Walckenaer, 1842 | Arabesque orbweaver | | Neospintharus trigonum Nicholas Mar..., 1850 | Horned Parasitic Cobweaver | | Neriene clathrata Sundevall, 1830 | | | Neriene variabilis Richard C. B..., 1892 | | | Nesticus cellulanus Clerck, 1758 | Comb-footed Cellar Spider | | Obisium brunneum (Hagen, 1868) | ⇒ Microbisium brunneum Hagen, 1868 | | Ondatralaelaps multispinosa Banks, 1909 | | | Opilio parietinus De Geer, 1778 | | | Ozyptila praticola C. L. Koch, 1837 | | | Pachygnatha tristriata C. L. Koch, 1845 | | | Parasteatoda tabulata Levi, 1980 | Comb-footed spider | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Pardosa distincta (John Blackwall, 1846) | ⇒ Pardosa hyperborea Thorell, 1872 | | Pardosa milvina Nicholas Mar..., 1844 | Shore spider | | Pardosa modica John Blackwall, 1846 | | | Pardosa moesta Banks, 1892 | | | Pardosa saxatilis Nicholas Mar..., 1844 | | | Pelegrina galathea Charles Atha..., 1837 | Jumping Spiders | | Pelegrina insignis Richard C. B..., 1892 | | | Pelegrina proterva Charles Atha..., 1837 | Common White-Cheeked Jumping Spider | | Phalangium opilio Linnaeus, 1761 | Brown daddy-long-legs | | Phidippus audax (Nicholas Mar..., 1845) | ⇒ Salticus variegatus Hentz, 1845 | | Phidippus clarus Keyserling, 1885 | Brilliant Jumping Spider | | Philodromus imbecillus Eugen von Ke..., 1880 | | | Philodromus praelustris Eugen von Ke..., 1880 | | | Philodromus rufus (Walckenaer, 1826) | ⇒ Philodromus albidus Wladislaus K..., 1911 | | Phrurotimpus borealis James Henry ..., 1911 | Greater Ant-Mimic Corinne Spider | | Pirata piraticus (Clerck, 1757) | ⇒ Trebacosa marxi Witmer Stone, 1890 | | Piratula minuta James Henry ..., 1885 | | | Pisaurina mira Charles Atha..., 1837 | American Nursery Web Spider | | Pityohyphantes costatus Nicholas Mar..., 1850 | Hammock spider | | Pityohyphantes subarcticus Ralph Vary C..., 1943 | Maricopa harvester ant | | Polydiscia deuterosminthurus Baquero, Mor..., 2003 | | | Pselaphochernes scorpioides Hermann, 1804 | Compost Chernes | | Pseudeuophrys erratica (Walckenaer, 1826) | ⇒ Pseudeuophrys lanigera Simon, 1871 | | Salticus scenicus (Clerck, 1757) | ⇒ Salticus cingulatus Panzer, 1797 | | Sassacus cyaneus Hentz, 1846 | | | Satilatlas marxi Eugen von Ke..., 1886 | Thin-ribbed mountainsnail | | Schizocosa avida Charles Atha..., 1837 | | | Schizocosa crassipalpata Carl Friedri..., 1951 | San Diego bird's-foot trefoil | | Scotinella divesta Willis J. Ge..., 1941 | | | Scotinella pugnata James Henry ..., 1890 | | | Sergiolus ocellatus Walckenaer, 1837 | | | Sidusa borealis (Audouin, 1826) | ⇒ Hasarius adansonii Audouin, 1826 | | Socalchemmis dolichopus Ralph Vary C..., 1919 | | | Souessa spinifera Octavius Pic..., 1874 | | | Soulgas corticarius (James Henry ..., 1909) | ⇒ Oedothorax seminolus Wilton Ivie ..., 1935 | | Synageles noxiosus Hentz, 1850 | | | Talavera minuta Richard C. B..., 1895 | | | Tapinopa bilineata Richard C. B..., 1893 | | | Tenuiphantes zebra James Henry ..., 1882 | | | Tetragnatha caudata Emerton, 1884 | Longjawed Orb Weavers | | Tetragnatha extensa (Linnaeus, 1758) | ⇒ Tetragnatha montana Simon, 1874 | | Tetragnatha guatemalensis Octavius Pic..., 1889 | Ants | | Tetragnatha laboriosa Hentz, 1850 | Longjawed orb weavers | | Tetragnatha straminea Emerton, 1884 | | | Tetragnatha viridis Walckenaer, 1842 | Green Long-Jawed Spider | | Theridion albidum (Richard C. B..., 1895) | ⇒ Theridion berlandi Carl Friedri..., 1942 | | Theridion differens (James Henry ..., 1882) | ⇒ Theridion glaucescens Lawrence Becker, 1879 | | Theridion glaucescens Lawrence Becker, 1879 | | | Theridion murarium James Henry ..., 1882 | | | Theridula emertoni Herbert Walt..., 1954 | Emerton'S Bitubercled Cobweaver | | Thymoites unimaculatus James Henry ..., 1882 | | | Tibellus oblongus (Walckenaer, 1802) | ⇒ Tibellus maritimus Menge, 1875 | | Tigrosa georgicola Walckenaer, 1837 | | | Tmarus angulatus Charles Atha..., 1837 | Tuberculated Crab Spider | | Trachelas ruber Keyserling, 1887 | | | Trochosa ruricola (De Geer, 1778) | ⇒ Trochosa hispanica Eugène Simon, 1870 | | Trochosa terricola Thorell, 1856 | | | Tutelina harti Peckham, 1891 | Hart'S Jumping Spider | | Uloborus glomosus Charles Atha..., 1842 | Feather-legged Spider | | Utivarachna ichneumon Christa L. D..., 2001 | | | Walckenaeria directa Octavius Pic..., 1874 | | | Xysticus bicuspis (Eugen von Ke..., 1887) | ⇒ Xysticus locuples Eugen von Ke..., 1880 | | Xysticus discursans Eugen von Ke..., 1880 | | | Xysticus elegans Eugen von Ke..., 1880 | Elegant crab spider | | Xysticus funestus Eugen von Ke..., 1880 | | | Xysticus luctans Carl Ludwig ..., 1845 | | | Xysticus punctatus Eugen von Ke..., 1880 | | | Yunohamella lyrica Walckenaer, 1842 | | | Zelotes hentzi Barrows, 1945 | | | Zygiella x-notata (Clerck, 1757) | ⇒ Guizygiella nadleri Heimer, 1984 | | Zygoballus nervosus Peckham & Pe..., 1888 | |
Subnodes of Arachnida with occurrences in Cambridge (Middlesex County Massachusetts)
 | | Arachnida (Lamarck 1801) |
Links, sources and further information Arachnida at biolcoll.utu.fi
Arachnida at wiki.spinnen-forum.de
Arachnida at spiderling.de
Arachnida at wsc.nmbe.ch
Arachnida at artfakta.se
Arachnida at biodiversity.org.au
Arachnida at dyntaxa.se
Arachnida at gbif.org
Arachnida at irmng.org
Arachnida at itis.gov
Arachnida at marinespecies.org
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