| Cosmetidae C.L.Koch, 1839 (Family) |
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| Cosmetidae subfam. Cosmetinae C. L. Koch, 1839 (Subfamily) |
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| Paecilaema C.L.C.L.Koch, 1839 (Genus) |
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| Paecilaema acuriguensis M. A. González-Sponga, 1992 (Species) |
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| Paecilaema adspersum Roewer, 1947 (Species) |
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| Paecilaema altaspinulatum C.J.Goodnight & M.L.Goodnight, 1943c (Species) |
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| Paecilaema altispina M. A. González-Sponga, 1992 (Species) |
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| Paecilaema amazonica M. A. González-Sponga, 1992 (Species) |
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| Paecilaema angustum M. A. González-Sponga, 1992 (Species) |
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| Paecilaema anticum Roewer, 1927c (Species) |
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| Paecilaema araguanum M. A. González-Sponga, 1992 (Species) |
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| Paecilaema argentinoi H.E.M.Soares, 1970b (Species) |
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| Paecilaema barinense M. A. González-Sponga, 1992 (Species) |
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| Paecilaema bicingulatum Roewer, 1927c (Species) |
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| Paecilaema bifurca Roewer, 1933 (Species) |
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| Paecilaema bilineatum C.J.Goodnight & M.L.Goodnight, 1953b (Species) |
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| Paecilaema bilunatum (Wood, 1869) (Species) |
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| Paecilaema bimaculatum Roewer, 1927c (Species) |
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| Paecilaema cabudarense M. A. González-Sponga, 1992 (Species) |
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| Paecilaema campoeliasensis González-Sponga, 1998b (Species) |
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| Paecilaema cancellatum Roewer, 1927c (Species) |
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| Paecilaema carvalhoi H.E.M.Soares, 1970b (Species) |
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| Paecilaema circumscriptum Roewer, 1947 (Species) |
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| Paecilaema contextum Roewer, 1927c (Species) |
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| Paecilaema festae Roewer, 1925 (Species) |
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| Paecilaema festiva Kury, 2003 (Species) |
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| Paecilaema forcipatum (F.O.Pickard-Cambridge, 1905) (Species) |
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| Paecilaema gonzalezi Kury, 2003 (Species) |
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| Paecilaema gracile (C.J.Goodnight & M.L.Goodnight, 1947c) (Species) |
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| Paecilaema granitum Sørensen, 1932 (Species) |
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| Paecilaema graphicum Roewer, 1947 (Species) |
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| Paecilaema henrikseni Mello-Leitão, 1944 (Species) |
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| Paecilaema inerme (Banks, 1909a) (Species) |
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| Paecilaema inglei C.J.Goodnight & M.L.Goodnight, 1947 (Species) |
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| Paecilaema irmae M. A. González-Sponga, 1992 (Species) |
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| Paecilaema lateralis C.J.Goodnight & M.L.Goodnight, 1942b (Species) |
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| Paecilaema lepidopterum M. A. González-Sponga, 1992 (Species) |
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| Paecilaema limbatum C.L.Koch in Hahn & C.L.C.L.Koch, 1839b (Species) |
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| Paecilaema lineatum (Roewer, 1933) (Species) |
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| Paecilaema lobipictum Roewer, 1947 (Species) |
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| Paecilaema lucifugum C.J.Goodnight & M.L.Goodnight, 1973 (Species) |
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| Paecilaema luquillense H. E. M. Soares, 1990Rico (Species) |
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| Paecilaema lutzi C.J.Goodnight & M.L.Goodnight, 1942b (Species) |
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| Paecilaema maculatum González-Sponga, 1992 (Species) |
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| Paecilaema maculifrons Roewer, 1947 (Species) |
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| Paecilaema manifestum Roewer, 1927c (Species) |
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| Paecilaema marajoara H.E.M.Soares, 1970b (Species) |
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| Paecilaema marginatum (Sørensen, 1884) (Species) |
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| Paecilaema medianum Roewer, 1947 (Species) |
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| Paecilaema neglectum Ringuelet, 1957 (Species) |
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| Paecilaema oblonga M. A. González-Sponga, 1992 (Species) |
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| Paecilaema obscurum (F.O.Pickard-Cambridge, 1905) (Species) |
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| Paecilaema octosegmentatum M. A. González-Sponga, 1992 (Species) |
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| Paecilaema oculatum M. A. González-Sponga, 1992 (Species) |
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| Paecilaema paraense H.E.M.Soares, 1970b (Species) |
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| Paecilaema paucipustulatum Roewer, 1947 (Species) |
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| Paecilaema pectiginerum Roewer, 1912b (Species) |
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| Paecilaema rectipes Roewer, 1947 (Species) |
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| Paecilaema reticulatum Roewer, 1927c (Species) |
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| Paecilaema sexlineatum C.J.Goodnight & M.L.Goodnight, 1942b (Species) |
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| Paecilaema sinuatum Roewer, 1947 (Species) |
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| Paecilaema toledense C.J.Goodnight & M.L.Goodnight, 1977 (Species) |
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| Paecilaema triangulatum C.J.Goodnight & M.L.Goodnight, 1942b (Species) |
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| Paecilaema trisegmentatum M. A. González-Sponga, 1992 (Species) |
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| Paecilaema triseriatum Roewer, 1947 (Species) |
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| Paecilaema variegatum C.J.Goodnight & M.L.Goodnight, 1977 (Species) |
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| Paecilaema virens González-Sponga, 1998b (Species) |
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| Paecilaema vittatum (Sorensen, 1932) (Species) |
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| Paecilaema waratukum C.J.Goodnight & M.L.Goodnight, 1943c (Species) |
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| Paecilaema x-signatum Mello-Leitão, 1940c (Species) |
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