Hahniidae: Hahnia C. L. Koch, 1841

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Posterior median eyes distinctly reduced in size and pigmentation; epigyne and vulva as fig.; prosoma pale yellow; opisthosoma pale yellow-grey; male unknown

Iberina microphthalma (Snazell & Duffey, 1980)

- Posterior median eyes normally developed

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Clypeus protruding, visible in dorsal view, its height in frontal view more than 2 diameters of anterior lateral eyes

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- Clypeus not protruding, not visible in dorsal view, its height smaller or equal one diameter of anterior lateral eyes

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Legs without bristles; eyes as fig.; pedipalp with oval bulbus; tibial apophysis and epigyne as fig.; receptaculum seminis not distinctly marked off

Hahniharmia picta (Kulczyński, 1897)

- Patella, tibia and metatarsus with bristles; eyes as fig.; pedipalp with circular bulbus; receptaculum seminis distinctly marked off

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Metatarsus III and IV distally with a small ventral bristle; male tibial apophysis as fig.; median receptaculum seminis much larger than lateral receptaculum seminis; epigyne as fig.

Iberina candida (Simon, 1875)

- Metatarsus III and IV distally with several bristles; male pedipalp with tibial apophysis as fig.; median receptaculum seminis much smaller than lateral receptaculum seminis

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Male pedipalp femur with 3 black bristles on the outer side (break off easily, but base still visible); tibial apophysis as fig.; distance between primary receptacula seminis smaller than their width; median receptacula seminis small

Iberina montana (Blackwall, 1841)

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Male pedipalp femur without black bristles; tibial apophysis as fig.; distance between primary receptacula seminis more than their width; median receptacula seminis very small and stalked

Iberina difficilis (Harm, 1966)

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Metatarsus III and IV distally with a small ventral bristle; pedipalp with sickle-shaped, very long tibial apophysis, serrated at its end; entrance ducts visible through epigyne

Hahnia pusilla C. L. Koch, 1841

- Metatarsus III and IV distally with several bristles; pedipalp and epigyne different

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Prosoma yellow-brown with spot in foveal region; opisthosoma pale yellow with dark chevrons; body length of males > 2.2 mm, females 2.4-3.0 mm; pedipalp tibia as fig.; entrance ducts X-shaped, visible through epigyne

Hahnia helveola Simon, 1875

- Prosoma dark coloured; body length of males < 2.2 mm, females < 2.4 mm

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Male pedipalp tibia as fig.; bulbus with ridge provided with bristles; epigyne with U-shaped entrance ducts, visible through epigyne; median and lateral receptaculum seminis equal in size

Hahnia ononidum Simon, 1875

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Male pedipalp tibia as fig.; bulbus without bristle bearing ridge; epigyne as fig.; entrance ducts not U-shaped; copulatory opening oval, dark margined; median receptaculum seminis reduced

Hahnia nava (Blackwall, 1841)

Further taxa

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1. Hahnia caeca (Georgescu & Sarbu, 1992)

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2. Hahnia hauseri Brignoli, 1978

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3. Hahnia maginii Brignoli, 1977

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4. Hahnia molossidis Brignoli, 1979

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5. Hahnia petrobia Simon, 1875

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6. Hahnia rossii Brignoli, 1977

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7. Hahnia sexoculata Ponomarev, 2009

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8. Hahnia sibirica Marusik, Hippa & Koponen, 1996

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9. Hahnia thymorum Emerit & Ledoux, 2014

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10. Hahnia ulyxis Brignoli, 1974