Animalia | Arthropoda | Insecta | Coleoptera | Histeridae | Plagiogramma
Eukaryota | Chromista | Harosa | Heterokonta | Ochrophyta | Bacillariophyceae | Coscinodiscophycidae | Biddulphianae | Triceratiales | Plagiogrammaceae | Plagiogramma
COL:CS5HF | COL:C | COL:D3MRQ | COL:D3MRV | COL:5H | COL:88 | COL:MV23K | COL:D3NBP | COL:TLYT5 | COL:RW8ZF | COL:RW7P2
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  |  | Cavalier-Smith, 1995 | Haeckel, 1878 | Round & Crawford, 1990 |  | Round & Crawford, 1990 | De Toni | Greville