Animalia | Arthropoda | Insecta | Coleoptera | Histeridae | Plagiogramma
Biota | Chromista | Heterokontophyta | Bacillariophytina | Bacillariophyceae | Coscinodiscophycidae | Biddulphianae | Triceratiales | Plagiogrammaceae | Plagiogramma
|  | Moestrup, R.A. Andersen & Guiry, 2023 | Medlin & Kaczmarska, 2004 | Haeckel, 1878 | Round & Crawford, 1990 |  | Round & Crawford, 1990 | De Toni, 1890 | R.K. Greville, 1859