Ota
, Otacilia
Otagoa Forster, 1970
- Otagoa chathamensis Forster, 1970
- Otagoa nova Forster, 1970
- Otagoa wiltoni Forster, 1970
Arachnida → Araneae → Desidae , Otavaloa
Oth
, Othoes
Oti
, Otiothops
Otira Forster & Wilton, 1973
- Otira canasta Forster & Wilton, 1973
- Otira indura Forster & Wilton, 1973
- Otira liana Forster & Wilton, 1973
- Otira parva Forster & Wilton, 1973
- Otira satura Forster & Wilton, 1973
- Otira terricola Forster & Wilton, 1973
Arachnida → Araneae → Amaurobiidae
Oto
, Otobius , Otocepheidae , Otocepheoidea , Otocepheus , Otodectes
Otoniela Brescovit, 1997
- Otoniela adisi Brescovit, 1997
- Otoniela quadrivittata (Simon, 1897)
Arachnida → Araneae → Anyphaenidae , Otoppia