Tetradium
Palaenigma
Eukaryota | Animalia | Cnidaria | Staurozoa | Palaenigma
COL:CS5HF | COL:N | COL:CN2 | COL:B8V43 | COL:RLLPJ
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  | Marques & Collins, 2004 | Walcott, 1885