Tetrameres
Animalia | Nematoda | Chromadorea | Rhabditida | Tetrameridae | Tetrameres
Tetrameres
Eukaryota | Animalia | Mollusca | Tetrameres
COL:CS5HF | COL:N | COL:M2L | COL:T5PFK
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  | Barrande, 1867