World Spider Catalog

family: Actinopodidae
- genus: Missulena
  - species: Missulena granulosa (O. P.-Cambridge, 1869)
family: Amaurobiidae
- genus: Draconarius
  - species: Draconarius incertus Wang, 2003
family: Araneidae
- genus: Araneus
  - species: Araneus perincertus Caporiacco, 1947
- genus: Metazygia
  - species: Metazygia incerta (O. P.-Cambridge, 1889)
family: Barychelidae
- genus: Pisenor
  - species: Pisenor notius Simon, 1889
family: Corinnidae
- genus: Austrachelas
  - species: Austrachelas incertus Lawrence, 1938
- genus: Phrurotimpus
  - species: Phrurotimpus certus Gertsch, 1941
family: Ctenidae
- genus: Ctenus
  - species: Ctenus lacertus Benoit, 1979
family: Dictynidae
- genus: Brommella
  - species: Brommella falcigera (Balogh, 1935)
family: Gnaphosidae
- genus: Leptodrassus
  - species: Leptodrassus incertus (Banks, 1898)
family: Linyphiidae
- genus: Callitrichia
  - species: Callitrichia incerta Miller, 1970
- genus: Diplocephalus
  - species: Diplocephalus cristatus (Blackwall, 1833)
- genus: Gonatium
  - species: Gonatium rubens (Blackwall, 1833)
- genus: Pocadicnemis
  - species: Pocadicnemis pumila (Blackwall, 1841)
- genus: Porrhomma
  - species: Porrhomma cavernicola (Keyserling, 1886)
family: Oecobiidae
- genus: Oecobius
  - species: Oecobius incertus Wunderlich, 1995
family: Oxyopidae
- genus: Oxyopes
  - species: Oxyopes caporiaccoi Roewer, 1951
  - species: Oxyopes incertus Mello-Leitao, 1929
family: Salticidae
- genus: Cobanus
  - species: Cobanus cambridgei Chickering, 1946
- genus: Jajpurattus
  - species: Jajpurattus incertus Prószynski, 1992
- genus: Mogrus
  - species: Mogrus incertus Denis, 1955
- genus: Zygoballus
  - species: Zygoballus incertus (Banks, 1929)
family: Theridiidae
- genus: Argyrodes
  - species: Argyrodes incertus Wunderlich, 1987
- genus: Latrodectus
  - species: Latrodectus renivulvatus Dahl, 1902
family: Thomisidae
- genus: Ozyptila
  - species: Ozyptila praticola (C. L. Koch, 1837)
- genus: Tmarus
  - species: Tmarus incertus Keyserling, 1880
family: Zodariidae
- genus: Tenedos
  - species: Tenedos certus (Jocqué & Ubick, 1991)
family: Zoridae
- genus: Odo
  - species: Odo incertus Caporiacco, 1955

Names matching 'certus'