Dodatak:Popis vrpčara, O
Ob uredi
- Obnemertes
- Obnemertes Korotkevich, 1960
- Obuergeria
- Obuergeria
Oe uredi
- Oerstedia
- Oerstedia Quatrefages, 1846
- Oerstediidae
- Oerstediidae
Ol uredi
- Oligodendrorhynchus Fernández−Álvarez & Anadón, 2012
Om uredi
Omatoplea Diesing, 1850 uredi
- Omatoplea maculosa (Montagu, 1808)
- Omatoplea rosea
Animalia → Nemertea → Nemertea incertae sedis
- Ommatoplea Ehrenberg, 1831
Op uredi
- Ophionemertes Verrill, 1874
Ot uredi
- Otoloxorrhochma
- Otonemertes
- Otonemertes
- Ototyphlonemertes
- Ototyphlonemertes Diesing, 1863
- Ototyphlonemertidae
- Ototyphlonemertidae
Ov uredi
- Ovicides Shields, 2001
Ox uredi
- Oxypolella
- Oxypolella Bergendal, 1902
- Oxypolia
- Oxypolia Punnett, 1901