Trachelobdella oregonensis
Trachelobdella lubrica
Trachelobdella alcibiades
Trachelobdella australis
Trachelobdella bathyrajae
Trachelobdella leptocephali
Trachelobdella livanovi
Trachelobdella luederitzi
Trachelobdella maculata
Trachelobdella okae
Trachelobdella rugosa
Trachelobdella kolleri