(Thalenessa) (Thalenessa) is a biological genus in the family Sigalionidae and order Phyllodocida.
Thalenessa digitata
Thalenessa edwardsi
Thalenessa fimbriata
Thalenessa lewisii
Thalenessa oculata
Thalenessa spinosa
Thalenessa stylolepis
Thalenessa tropica
Thalenessa vazensis
Ehlersileanira
Eupholoe
Euthalanessa
Fimbriosthenelais
Horstileanira
Leanira
Neoleanira
Pareupholoe
Pisione
Pisionella
Pisionidens
Psammolyce
Sigalion
Sthenelais
Sthenelanella
Sthenolepis
Thalenessa