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                    |  | Anyphaenidae Bertkau, 1878 | - | - | Detalle | 
                                    
                    | Amblypygi Thorell 1883 | Phrynidae Blanchard, 1852 | Electrophrynus Petrunkevitch, 1971 | Electrophrynus mirus Petrunkevitch, 1971 | Detalle | 
                                    
                    | Amblypygi Thorell 1883 | Phrynidae Blanchard, 1852 | Phrynus Lamarck, 1801 | Phrynus mexicanus Poinar & Brown, 2004 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Anyphaenidae Bertkau, 1878 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Araneidae Clerck, 1757 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Araneidae Clerck, 1757 | Araneus Clerck, 1757 | Araneus exustus Petrunkevitch, 1963 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Araneidae Clerck, 1757 | Mirometa Petrunkevitch, 1963 | Mirometa valdespinosa Petrunkevitch, 1971 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Clubionidae Wagner, 1887 | Chiapasona Petrunkevitch, 1963 | Chiapasona defuncta Petrunkevitch, 1963 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Clubionidae Wagner, 1887 | Mimeutychurus Petrunkevitch, 1963 | Mimeutychurus paradoxus Petrunkevitch, 1963 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Clubionidae Wagner, 1887 | Prosocer Petrunkevitch, 1963 | Prosocer mollis Petrunkevitch, 1963 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Dysderidae C. L. Koch, 1837 | Mistura Petrunkevitch, 1971 | Mistura perplexa Petrunkevitch, 1971 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Hersiliidae Thorrell, 1869 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Hersiliidae Thorrell, 1869 | Prototama Petrunkevitch, 1971 | Prototama antiqua (Petrunkevitch, 1971) | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Hersiliidae Thorrell, 1869 | Prototama Petrunkevitch, 1971 | Prototama succinea Petrunkevitch, 1971 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Hersiliidae? Thorrell, 1869 | Fictotama Petrunkevitch, 1963 | Fictotama extincta Petrunkevitch, 1963 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Hersiliidae? Thorrell, 1869 | Perturbator Petrunkevitch, 1971 | Perturbator corniger Petrunkevitch, 1971 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Indet. | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Indet. | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Inserta sedis | Atocatle Feldemann, Vega, Applegate & Bishop, 1998 | Atocatle ranulfoi Feldemann, Vega, Applegate & Bishop, 1998 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Linyphiidae Blackwall, 1859 |  | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Linyphiidae Blackwall, 1859 | Malepellis Petrunkevitch, 1971 | Malepellis extincta Petrunkevitch, 1971 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Mimetidae Simon, 1881 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Mimetidae Simon, 1881 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Mimetidae Simon, 1881 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Mimetidae Simon, 1881 | Mimetus Hentz, 1832 | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Miturgidae Simon, 1885 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Mygalomorphae Fam. Indet. | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Mysmenidae Petrunkevitch, 1928 | Mysmena Simon, 1894 | Mysmena fossilis Petrunkevitch, 1971 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Oonopidae Simon, 1890 | Orchestina Simon, 1882 | Orchestina mortua Petrunkevitch, 1971 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Oxyopidae Thorell, 1869 | Planoxypes Petrunkevitch, 1963 | Planoxypes eximius Petrunkevitch, 1963 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Pholcidae C.L. Koch, 1850 | Metagonia Simon, 1893 | Metagonia esquincacanoi García-Villafuerte, 2019 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Pholcidae C.L. Koch, 1850 | Modisimus Simon, 1893 | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Pholcidae C.L. Koch, 1850 | Modisimus Simon, 1893 | Modismis chiapanecus Garcia-Villafuerte & Valdez-Mondragón, 2020 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | Galianora Maddison, 2006 | Galianoa marcoi García-Villafuerte, 2018 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | Lyssomanes Hentz, 1845 | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | Lyssomanes Hentz, 1845 | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae Blackwall, 1841 | Paramaevia Barnes, 1955 | Paramaevia eureka (Riquelme & Méndez, 2017) | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Salticidae? Blackwall, 1841 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Selenopidae Simon, 1897 | Selenops Latreille, 1819 | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Sparassidae Bertkau, 1872 | Neoveterator  (Petrunkevitch, 1963) | Neoveterator extinctus  (Petrunkevitch, 1963) | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Sparassidae Bertkau, 1872 | Veterator  Petrunkevitch, 1963 | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theraphosidae Thorell, 1870 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theraphosidae Thorell, 1870 | Hemirraghus Simon, 1903 | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theridiidae Sundervall, 1833 | Eomysmena Petrunkevitch, 1942 | Eomysmena asta Petrunkevitch, 1971 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theridiidae Sundervall, 1833 | Episinus Walckenaer, 1809 | Episinus penneyi García-Villafuerte, 2006 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theridiidae Sundervall, 1833 | Municeps Petrunkevitch 1971 | Municeps chiapasanus Petrunkevitch, 1971 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theridiidae Sundervall, 1833 | Phtcosoma O. Pickard-Cambridge, 1880 | Phycosoma icti Garcia-Villafuerte, Carbot-Chanona & Rivera-Velázquez 2022 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theridiidae Sundervall, 1833 | Pronepos Petrunkevitch, 1963 | Pronepos exilis Petrunkevitch, 1963 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theridiidae Sundervall, 1833 | Pronepos Petrunkevitch, 1963 | Pronepos fossilis Petrunkevitch, 1963 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theridiidae Sundervall, 1833 | Theridion Walckenaer, 1805 | Theridion hispidum Pickard-Cambridge, 1898 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theridiidae Sundervall, 1833 | Thymoites Keyserling, 1884 | Thymoites carboti Garcia-Villafuerte 2022 | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Theridiidae? Sundervall, 1833 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Thomisidae? Sundevall, 1833 | - | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Uloboridae Thorell, 1869 | Miagrammopes O. Pickard-Cambridge, 1870 | - | Detalle | 
                                    
                    | Araneae Clerck, 1757 | Zodariidae Thorell, 1881 | Propago Petrunkevitch, 1963 | Propago debilis Petrunkevitch, 1963 | Detalle | 
                                    
                    | Mesostigmata Evans, 1992 | Aceosejidae Baker & Wharton, 1952 | - | - | Detalle | 
                                    
                    | Mesostigmata Evans, 1992 | Digamasellidae Evans, 1957 | Dendrolaelaps * | Dendrolaelaps fossilis Hirschman, 1971 | Detalle | 
                                    
                    | Mesostigmata Evans, 1992 | Paramegistidae Trägårdh, 1946 | - | - | Detalle | 
                                    
                    | Pseudoscorpiones De Geer, 1778 | Atemnidae Kishida, 1929 | Paratemnoides Harvey, 1991 | - | Detalle | 
                                    
                    | Pseudoscorpiones De Geer, 1778 | Cheliferidae Risso, 1827 | - | - | Detalle | 
                                    
                    | Pseudoscorpiones De Geer, 1778 | Chernetidae Mengue, 1855 | - | - | Detalle | 
                                    
                    | Pseudoscorpiones De Geer, 1778 | Chernetidae Mengue, 1855 | Lustrochernes Beier, 1932 | - | Detalle | 
                                    
                    | Pseudoscorpiones De Geer, 1778 | Chernetidae Mengue, 1855 | Lustrochernes Beier, 1932 | - | Detalle | 
                                    
                    | Pseudoscorpiones De Geer, 1778 | Chernetidae Mengue, 1855 | Mayachernes Riquelme, Piedra-Jimenez & Córdova-Tabares, 2014 | Mayachernes maatiatus Riquelme, Piedra-Jimenez & Córdova-Tabares, 2014 | Detalle | 
                                    
                    | Pseudoscorpiones De Geer, 1778 | Chthoniidae Daday, 1888 | Paraliochthonius Beier, 1956 | Paraliochthonius miomaya Judson, 2016 | Detalle | 
                                    
                    | Pseudoscorpiones De Geer, 1778 | Chthoniidae Daday, 1888 | Tyrannochthonius Chamberlin, 1929 | - | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | - | - | - | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | - | - | - | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Carabodidae Koch, 1837 | - | - | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Ceratozetidae Jacot, 1925 | - | - | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Damaeidae Berlese, 1892 | - | - | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Eremaeidae Trägårdh, 1926 | - | - | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Mochlozetidae Grandjean, 1960 | Mochloribatula Mahunka, 1979 | Mochloribatula smithi (Woolley, 1971) | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Neoliodidae Sellnick, 1928 | - | - | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Neoliodidae Sellnick, 1928 | Neoliodes Berlese, 1888 | Neoliodes brevitarsus (Woolley, 1971) | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Oppiidae Sellnick, 1937 | Oppia Koch, 1936 | Oppia mexicana (Woolley, 1971) | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Oppiidae Sellnick, 1937 | Oppia Koch, 1936 | Oppia setigera (Woolley, 1971) | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Oripodidae Jaccot, 1925 | Benoibates Balogh, 1958 | Benoibates chiapasensis (Woolley, 1971) | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Oripodidae Jaccot, 1925 | Parapirnodus Balogh& Mahunka,1968 | Parapirnodus denaius (Wooley, 1971) | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Scheloribatidae Grandjean, 1933 | Scheloribates Berlese, 1908 | Scheloribates durhami (Wolley, 1971) | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Scutoverticidae, Grandjean, 1954 | Arthrovertex Balogh, 1970 | Arthrovertex hurdi (Wolley, 1971) | Detalle | 
                                    
                    | Sarcoptiformes Reuter, 1909 | Winterschmidtiidae Oudemans, 1923 | Amphicalvolia Türk, 1963 | Amphicalvolia hurdi Türk, 1963 | Detalle | 
                                    
                    | Scorpiones Latreille, 1802 | Buthidae Koch, 1937 | Centruroides? Marx, 1890 | - | Detalle | 
                                    
                    | Scorpiones Latreille, 1802 | Buthidae Koch, 1937 | Tityus Koch, 1836 | Tityus (Brazilotityus) Knodeli Lourenço, 2014 | Detalle | 
                                    
                    | Scorpiones Latreille, 1802 | Buthidae Koch, 1937 | Tityus Koch, 1836 | Tityus apozonalli Riquelme, Villegas-Guzmán & González, 2015 | Detalle | 
                                    
                    | Trombidiformes Reuter, 1909 | Caeculidae Berlesse, 1883 | Procaeculusi Jacot, 1936 | - | Detalle | 
                                    
                    | Trombidiformes Reuter, 1909 | Indet. | - | - | Detalle | 
                                    
                    | Trombidiformes Reuter, 1909 | Johnstonianidae Thor, 1935 | Palaeodiplothrombidium Rivas & Vega, 2021 | Palaeodiplothrombidium microscutum Rivas & Vega, 2021 | Detalle |