Dodatak:Popis ramenonožaca, J
Ja uredi
Jaffaia Thomson, 1927 uredi
- Jaffaia jaffaensis (Blochmann, 1910)
Brachiopoda → Rhynchonellata → Terebratulida → Terebratelloidea → Dallinidae → Nipponithyridinae
Jo uredi
Joania Alvarez, Brunton & Long, 2008 uredi
- Joania arguta (Grant, 1983)
- Joania cordata (Risso, 1826)
Brachiopoda → Rhynchonellata → Terebratulida → Megathyridoidea → Megathyrididae
Jolonica Dall, 1920 uredi
- Jolonica alcocki (Joubin, 1906)
- Jolonica hedleyi Dall, 1920
- Jolonica nipponica Yabe & Hatai, 1934
- Jolonica suffusa (Cooper, 1973)
Brachiopoda → Rhynchonellata → Terebratulida → Laqueoidea → Frenulinidae → Frenulininae