Powellia
Animalia | Arthropoda | Insecta | Hemiptera | Triozidae | Powellia
Onoba
Eukaryota | Animalia | Mollusca | Gastropoda | Caenogastropoda | Littorinimorpha | Rissooidea | Rissoidae | Onoba
COL:CS5HF | COL:N | COL:M2L | COL:7NF3Y | COL:9WLSP | COL:7NG7T | COL:7NGYD | COL:7NKWB | COL:7PB8W
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  | Cuvier, 1795 | L. R. Cox, 1960 | A. N. Golikov & Starobogatov, 1975 | Gray, 1847 | J. E. Gray, 1847 | H. Adams & A. Adams, 1852