Dodatak:Popisi paučnjaka, Ka
Kab[uredi]
, Kababina
Kae[uredi]
Kaemis Deeleman-Reinhold, 1993[uredi]
- Kaemis carnicus Gasparo, 1995
- Kaemis circe (Brignoli, 1975)
- Kaemis vernalis Deeleman-Reinhold, 1993
Arachnida → Araneae → Dysderidae
Kaestneria Wiehle, 1956[uredi]
- Kaestneria bicultrata Chen & Yin, 2000
- Kaestneria dorsalis (Wider, 1834) tipična
- Kaestneria longissima (Zhu & Wen, 1983)
- Kaestneria minima Locket, 1982
- Kaestneria pullata (O. Pickard-Cambridge, 1863)
- Kaestneria rufula (Hackman, 1954)
- Kaestneria torrentum (Kulczyński, 1882)
Arachnida → Araneae → Linyphiidae
Kag[uredi]
Kagurargus Ono, 2007[uredi]
- Kagurargus kikuyai Ono, 2007
Arachnida → Araneae → Linyphiidae
Kai[uredi]
, Kaibacepheus
Kaira O. Pickard-Cambridge, 1889[uredi]
- Kaira alba (Hentz, 1850)
- Kaira altiventer O. Pickard-Cambridge, 1889
- Kaira candidissima (Mello-Leitão, 1941)
- Kaira cobimcha Levi, 1993
- Kaira conica Gerschman & Schiapelli, 1948
- Kaira dianae Levi, 1993
- Kaira echinus (Simon, 1897)
- Kaira electa (Keyserling, 1883)
- Kaira erwini Levi, 1993
- Kaira gibberosa O. Pickard-Cambridge, 1890
- Kaira hiteae Levi, 1977
- Kaira levii Alayón, 1993
- Kaira sabino Levi, 1977
- Kaira sexta (Chamberlin, 1916)
- Kaira shinguito Levi, 1993
- Kaira tulua Levi, 1993
Arachnida → Araneae → Araneidae
Kaitawa Forster, 1979[uredi]
- Kaitawa insulare (Marples, 1956)
Arachnida → Araneae → Gnaphosidae
Kaiya Gray, 1987[uredi]
- Kaiya bemboka Gray, 1987
- Kaiya brindabella (Moran, 1985)
- Kaiya parnabyi Gray, 1987
- Kaiya terama Gray, 1987
Arachnida → Araneae → Gradungulidae
Kal[uredi]
, Kalayaan , Kalcerrytus , Kalyptrazetes
Kam[uredi]
, Kambiwa
Kan[uredi]
Kangarosa Framenau, 2010[uredi]
- Kangarosa alboguttulata (L. Koch, 1878)
- Kangarosa focarius Framenau, 2010
- Kangarosa ludwigi Framenau, 2010
- Kangarosa nothofagus Framenau, 2010
- Kangarosa ossea Framenau, 2010
- Kangarosa pandura Framenau, 2010
- Kangarosa properipes (Simon, 1909)
- Kangarosa tasmaniensis Framenau, 2010
- Kangarosa tristicula (L. Koch, 1877)
- Kangarosa yannicki Framenau, 2010
Arachnida → Araneae → Lycosidae
Kap[uredi]
Kapanga Forster, 1970[uredi]
- Kapanga alta Forster, 1970
- Kapanga festiva Forster, 1970
- Kapanga grana Forster, 1970
- Kapanga hickmani (Forster, 1964)
- Kapanga isulata (Forster, 1970)
- Kapanga luana Forster, 1970
- Kapanga mana Forster, 1970
- Kapanga manga Forster, 1970
- Kapanga solitaria (Bryant, 1935)
- Kapanga wiltoni Forster, 1970 tipična vrsta
Arachnida → Araneae → Hahniidae , Kapitia
Kapogea Levi, 1997[uredi]
- Kapogea cyrtophoroides (F. O. Pickard-Cambridge, 1904)
- Kapogea isosceles (Mello-Leitão, 1939)
- Kapogea sellata (Simon, 1895)
- Kapogea sexnotata (Simon, 1895)
Arachnida → Araneae → Araneidae
Kar[uredi]
, Karamea , Karenella
Karita Tanasevitch, 2007[uredi]
- Karita paludosa (Duffey, 1971)
Arachnida → Araneae → Linyphiidae , Karriella , Karschia , Karschiidae
Kas[uredi]
, Kaszabobates , Kaszabozetes
Kat[uredi]
Katableps Jocqué, Russell-Smith & Alderweireldt, 2011[uredi]
- Katableps masoala Jocqué, Russell-Smith & Alderweireldt, 2011
- Katableps perinet Jocqué, Russell-Smith & Alderweireldt, 2011
- Katableps pudicus Jocqué, Russell-Smith & Alderweireldt, 2011
Arachnida → Araneae → Lycosidae
Katissa Brescovit, 1997[uredi]
- Katissa delicatula (Banks, 1909)
- Katissa elegans (Banks, 1909)
- Katissa lycosoides (Chickering, 1937)
- Katissa simplicipalpis (Simon, 1897)
- Katissa zimarae (Reimoser, 1939)
Arachnida → Araneae → Anyphaenidae , Katumbea , Katya