Dodatak:Popis vrsta rakova, Y
Ya
uredi- Yaerikima kartaboana (Van Name, 1936)
Crustacea → Malacostraca → Isopoda → Philosciidae
- Yaldwynopsis
- Yamaguchiella
- Yarepotamon
†Yaxianella Lin, 1979
uredi- Yaxianella punctata Zhang (Xi-Guang), 1986 †
- Yaxianella sulcata Lin, 1979 †
Crustacea → Oligostraca → Ostracoda → Ostracoda incertae sedis
Yu
uredi- Yucatalana
Crustacea → Oligostraca → Ostracoda
- Yulumara
Yv
uredi- Yvesia