| Diplomaragnidae Attems, 1907 (Family) |
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| Ancestreuma Golovatch, 1977 (Genus) |
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| Ancestreuma boreale Golovatch, 1979 (Species) |
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| Ancestreuma communicantis Golovatch, 1977 (Species) |
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| Ancestreuma feynmani (Shear, 1990) (Species) |
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| Ancestreuma longibrachiatum (Shear, 1990) (Species) |
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| Ancestreuma principale Golovatch, 1977 (Species) |
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| Ancestreuma principalis Golovatch, 1977 (Species) |
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| Ancestreuma ramiferum Mikhaljova, 2000 (Species) |
C | | | | | | | | | | details |
| Ancestreuma ryvkini (Shear, 1990) (Species) |
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| Ancestreuma sardyk (Shear, 1990) (Species) |
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| Ancestreuma subulatum Mikhaljova, 2000 (Species) |
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