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1 |
Femur/leg II longer than I and IV, embolus tip long and filiform, receptacula without transverse seams
bungei-group |
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- | Femur/leg IV greater or equal to II and I |
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2 (1) |
Prosoma width > 2.5 mm, tegular apophysis indistinct, glandular heads (arrow) broadly connected to receptacula Thanatus bungei (Kulczyński, 1908) |
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- | Prosoma width < 2.5 mm, tegular apophysis swollen membranous (arrow), glandular heads connected to receptacula by small stalks Thanatus oblongiusculus (Lucas, 1846) |
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3 (1) |
Legs elongated (femur IV/prosoma length > 1,7 in males, > 1,3 in females) |
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- | Femur IV/prosoma length < 1,5 in males, < 1,3 in females |
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4 (3) |
Retrolateral tibial apophysis with thorn-like tip, median septum of epigyne much longer than wide, receptacula with conspicuous contraction Thanatus fabricii (Audouin, 1826) |
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- | Retrolateral tibial apophysis long tapering and slightly undulating, median septum of epigyne as wide as long, receptacula bulbous Thanatus lesserti (Roewer, 1951) |
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5 (3) |
Tibia of male palp with 2 apophyses (ventral tibial apophysis, retrolateral tibial apophysis), lateral guide pockets of epigyne evenly curved, receptaculum a simple chamber with no distinct compartmentalization and few seams |
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- | Tibia of male palp with 1 apophysis (retrolateral tibial apophysis), lateral guide pockets of epigyne arched in posterior half, receptaculum with distinct compartments and seams
formicinus- and sabulosus-groups |
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6 (5) |
Embolus gradually tapering into fine straight tip, epigyne with anterior guide pockets Thanatus pictus L. Koch, 1881 |
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- | Embolus base swollen, embolus tip curved, epigyne without anterior guide pockets
striatus-group |
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7 (6) |
Males |
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- | Females |
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8 (7) |
Retrolateral tibial apophysis with sharp tip pointing dorsad (lateral view) Thanatus mikhailovi Logunov, 1996 |
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- | Retrolateral tibial apophysis in lateral view with rounded tip |
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9 (8) |
Retrolateral tibial apophysis in lateral view directed dorsad, embolus tip broadly twisted |
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- | Retrolateral tibial apophysis in lateral view directed distad/ventrad, embolus tip tightly twisted |
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10 (9) |
Embolus gradually narrowing with long tip Thanatus atratus Simon, 1875 |
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- | Embolus base strongly swollen with apical bulge Thanatus vulgaris Simon, 1870 |
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11 (9) |
Prosoma width > 2 mm, prosoma uniformly dark brown Thanatus firmetorum Muster & Thaler, 2003 |
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- | Prosoma width < 2 mm, prosoma with light median and lateral bands Thanatus striatus C. L. Koch, 1845 |
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12 (7) |
Epigynal fold and lateral guide pockets in close contact |
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- | Epigynal fold and lateral guide pockets well separated |
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13 (12) |
Lateral guide pockets convex Thanatus striatus C. L. Koch, 1845 |
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- | Lateral guide pockets concave Thanatus mikhailovi Logunov, 1996 |
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14 (12) |
Median septum wider than long Thanatus firmetorum Muster & Thaler, 2003 |
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- | Median septum slightly longer than wide Thanatus atratus Simon, 1875 |
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- | Median septum twice as long as wide Thanatus vulgaris Simon, 1870 |
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15 (5) |
Males |
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- | Females |
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16 (15) |
Tip of retrolateral tibial apophysis bifid |
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- | Retrolateral tibial apophysis with pointed tip |
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17 (16) |
Lobes of the tip of retrolateral tibial apophysis rounded Thanatus arenarius L. Koch, 1872 |
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- | Lobes of the tip of retrolateral tibial apophysis acuminate |
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18 (17) |
Cymbium length > 0.8 mm, tegular apophysis long Thanatus imbecillus L. Koch, 1878 |
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- | Cymbium length < 0.8 mm, tegular apophysis short Thanatus meronensis Levy, 1977 |
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19 (16) |
Retrolateral tibial apophysis slim, much longer than wide Thanatus sabulosus (Menge, 1875) |
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- | Retrolateral tibial apophysis robust, almost as wide as long |
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20 (19) |
Retrolateral tibial apophysis keel-shaped, directed retrolaterad |
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- | Retrolateral tibial apophysis triangular, directed dorso-distad |
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21 (20) |
Tip of retrolateral tibial apophysis not curved, embolus originating at 9 o´clock position on tegulum Thanatus coloradensis Keyserling, 1880 |
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- | Tip of retrolateral tibial apophysis slightly curved, embolus originating at 10:30 o´clock position on tegulum Thanatus kitabensis Charitonov, 1946 |
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22 (20) |
Tegular apophysis a bulge Thanatus arcticus Thorell, 1872 |
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- | Tegular apophysis a chitinous blade Thanatus formicinus (Clerck, 1757) |
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23 (15) |
Median septum round, converging anteriorly Thanatus arenarius L. Koch, 1872 |
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- | Not so |
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24 (23) |
Lateral guide pockets forming semicircular arches |
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- | Lateral guide pockets S-shaped |
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25 (24) |
Epigyne wider than long Thanatus meronensis Levy, 1977 |
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- | Epigyne as wide as long Thanatus imbecillus L. Koch, 1878 |
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26 (24) |
Epigyne wider than long, receptacula with a couple of seams |
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- | Epigyne longer than wide, receptacula with multiple seams |
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27 (26) |
Prosoma width < 2 mm Thanatus sabulosus (Menge, 1875) |
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- | Prosoma width > 2 mm Thanatus arcticus Thorell, 1872 |
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28 (26) |
Median septum strongly elongated, lateral guide pockets weakly bulged Thanatus coloradensis Keyserling, 1880 |
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- | Median septum less elongated, lateral guide pockets strongly bulged |
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29 (28) |
Medial epigynal pocket present Thanatus kitabensis Charitonov, 1946 |
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- | Without medial epigynal pocket Thanatus formicinus (Clerck, 1757) |
1. Thanatus dissimilis Denis, 1960 |
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2. Thanatus flavescens O. Pickard-Cambridge, 1876 |
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3. Thanatus flavidus Simon, 1875 |
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4. Thanatus flavus O. Pickard-Cambridge, 1876 |
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5. Thanatus fornicatus Simon, 1897 |
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6. Thanatus fuscipes Denis, 1937 |
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7. Thanatus fuscipes concolor Denis, 1957 |
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8. Thanatus lanceolatus Simon, 1875 |
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9. Thanatus lineatipes Simon, 1870 |
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10. Thanatus mongolicus (Schenkel, 1936) |
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11. Thanatus oblongiusculus atomarius (Simon, 1932) |
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12. Thanatus okayi Karol, 1966 |
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13. Thanatus ornatus (Lucas, 1846) |
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14. Thanatus rayi Simon, 1875 |
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15. Thanatus setiger (O. Pickard-Cambridge, 1872) |
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16. Thanatus ubsunurensis Logunov, 1996 |
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17. Thanatus validus Simon, 1875 |
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18. Thanatus virgulatipes Wunderlich, 2023 |
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19. Thanatus vulgaris creticus Kulczyński, 1903 |
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