Van Heurck -- Synopsis des Diatomées de Belgique -- Index
| Triceratium | abyssorum Grunow | Page -- | Plate 113 | Figure 1,2 | |
| Triceratium | acutangulum Grunow | Page -- | Plate 113 | Figure 12 | |
| Triceratium | acutum Ehrenb. | Page -- | Plate 108 | Figure 1 | |
| Triceratium | affine Grunow | Page -- | Plate 108 | Figure 3,4 | |
| Triceratium | alternans Bailey = Biddulphia alternans (Bailey) Van Heurck | Page -- | Plate 113 | Figure 4,5,7 | |
| Triceratium | alternans f. minor Grunow | Page -- | Plate 113 | Figure 6 | |
| Triceratium | annulatum G.C.Wall. = Actinoptychus annulatus Grunow (genus novum?) | Page -- | Plate 124 | Figure 14 | |
| Triceratium | antediluvianum (Ehrenb.) Grunow | Page -- | Plate 109 | Figure 4,5 | |
| Triceratium | arcticum f. campechiana Grunow | Page -- | Plate 112 | Figure 1 | |
| Triceratium | biddulphia Heib. = Biddulphia rhombus var. trigona Cleve | Page -- | Plate 99 | Figure 2 | |
| Triceratium | brightwellii T.West = Ditylum brightwellii (T.West) Grunow | Page 196 | Plate 114 | Figure 4,8,9 | |
| Triceratium | brightwellii var. inaequalis (Bailey) Grunow = Ditylum brightwellii var. inaequalis (Bailey) Grunow | Page -- | Plate 114 | Figure 3,5,6,7 | |
| Triceratium | brightwellii var. tetragonum Grunow = Ditylum brightwellii (T.West) Grunow | Page -- | Plate 114 | Figure 4,8 | |
| Triceratium | brightwellii var. trigonum Grunow = Ditylum brightwellii (T.West) Grunow | Page -- | Plate 114 | Figure 9 | |
| Triceratium | californicum Grunow | Page -- | Plate 108 | Figure 11 | Note 248 |
| Triceratium | cinnamomeum Grev. = Cestodiscus cinnamomeus (Grev.) Grunow | Page -- | Plate 126 | Figure 1 | |
| Triceratium | circulare f. 4-appendiculata Grunow | Page -- | Plate 108 | Figure 10 | |
| Triceratium | consimile Grunow | Page -- | Plate 108 | Figure 2 | |
| Triceratium | cornutum var. pulchella f. pentagona Grunow | Page -- | Plate 108 | Figure 12 | |
| Triceratium | cornutum var. pulchella f. tetragonum Grunow | Page -- | Plate 108 | Figure 13 | |
| Triceratium | cruciferum Kitton = Raphoneis amphiceros var. tetragona Grunow | Page -- | Plate 116 | Figure 16 | |
| Triceratium | divisum Grunow | Page -- | Plate 113 | Figure 8 | |
| Triceratium | ehrenbergii Grunow | Page -- | Plate 115 | Figure 7,8 | |
| Triceratium | elegans f. pusilla Grunow | Page -- | Plate 109 | Figure 3 | |
| Triceratium | elegans f. major Grunow | Page -- | Plate 109 | Figure 1 | |
| Triceratium | eulensteinii var. irregularis Grunow | Page -- | Plate 110 | Figure 9 | |
| Triceratium | exiguum W. Sm. = Fragilaria parasitica var. trigona Grunow | Page -- | Plate 116 | Figure 14 | |
| Triceratium | favus Ehrenb. | Page 208 | Plate 107 | Figure 1,2,3,4 | |
| Triceratium | favus Ehrenb. | Page -- | Plate sC | Figure 43,44 | |
| Triceratium | favus var. maxima Grunow | Page -- | Plate 107 | Figure 5 | |
| Triceratium | frauenfeldii Grunow | Page -- | Plate 110 | Figure 10 | |
| Triceratium | gibbosum var. crenulata Grunow | Page -- | Plate 109 | Figure 2 | |
| Triceratium | heibergii Grunow | Page -- | Plate 112 | Figure 9,10,11 | |
| Triceratium | heteroporum Grunow | Page -- | Plate 112 | Figure 2 | |
| Triceratium | impressum Grunow | Page -- | Plate 115 | Figure 3,4,5,6 | |
| Triceratium | inelegans var. araeopora Grunow | Page -- | Plate 110 | Figure 2 | |
| Triceratium | inelegans var. micropora Grunow | Page -- | Plate 110 | Figure 3 | |
| Triceratium | inelegans var. ? nicobarica Grunow | Page -- | Plate 111 | Figure 7 | |
| Triceratium | inelegans var. ? yucatensis Grunow | Page -- | Plate 110 | Figure 4,5 | |
| Triceratium | intricatum T.West = Ditylum intricatum (T.West) Grunow | Page -- | Plate 114 | Figure 2 | |
| Triceratium | irregulare var. hebetata Grunow | Page -- | Plate 111 | Figure 10 | |
| Triceratium | labyrinthicum Grev. | Page -- | Plate 111 | Figure 9 | |
| Triceratium | laeve var. annulifera Grunow | Page -- | Plate 114 | Figure 10,11 | Note 249 |
| Triceratium | maculatum Kitton = Triceratium heibergii Grunow | Page -- | Plate 112 | Figure 9,10,11 | |
| Triceratium | madagascarense Grunow | Page -- | Plate 108 | Figure 8 | |
| Triceratium | malleus Brightw. = Bellerochea malleus (Brightw.) V.H. | Page -- | Plate 114 | Figure 1 | |
| Triceratium | malleus Brightw. var. ? tetragona = Bellerochea malleus (Brightw.) Van Heurck | Page -- | Plate 114 | Figure 1 | |
| Triceratium | mammiferum Grunow | Page -- | Plate 112 | Figure 6 | |
| Triceratium | mammiferum var. minor Grunow | Page -- | Plate 112 | Figure 7 | |
| Triceratium | megastomum Brightw. nec Ehrenb. = Triceratium favus Ehrenb. | Page -- | Plate 108 | Figure 3,4 | |
| Triceratium | membranaceum Brightw. = Biddulphia rhombus var. trigona Cleve | Page -- | Plate 99 | Figure 2 | |
| Triceratium | mesoleium Grunow | Page -- | Plate 113 | Figure 14 | |
| Triceratium | moronense var. nicobarica Grunow | Page -- | Plate 110 | Figure 6 | |
| Triceratium | nancoorense Grunow | Page -- | Plate 113 | Figure 9,11 | |
| Triceratium | nancoorense var. ? = Triceratium acutangulum Grunow | Page -- | Plate 113 | Figure 12 | |
| Triceratium | obliquum Grunow | Page -- | Plate 110 | Figure 11 | |
| Triceratium | obtusum Ehrenb., partim ? = Triceratium parallelum var. trigona f. parva Grunow | Page -- | Plate 111 | Figure 2,4,6 | |
| Triceratium | parallelum var. madagascarensis Grunow | Page -- | Plate 111 | Figure 3 | |
| Triceratium | parallelum var. sparsa Grunow | Page -- | Plate 111 | Figure 1 | |
| Triceratium | parallelum var. trigona Grunow, forma . | Page -- | Plate 111 | Figure 5 | |
| Triceratium | parallelum var. trigona f. parva Grunow | Page -- | Plate 111 | Figure 2,4,6 | |
| Triceratium | pileatum Grunow | Page -- | Plate 112 | Figure 3 | |
| Triceratium | plicatum Grunow | Page -- | Plate 113 | Figure 10 | |
| Triceratium | punctatum f. pentagona Grunow | Page -- | Plate 109 | Figure 6 | |
| Triceratium | punctatum f. tetragona [Grunow], minuta | Page -- | Plate 109 | Figure 9 | |
| Triceratium | punctatum f. trigona Grunow, minuta | Page -- | Plate 109 | Figure 10 | |
| Triceratium | quinqueguttatum Grunow | Page -- | Plate 113 | Figure 13 | |
| Triceratium | radiatum Brightw. | Page -- | Plate 112 | Figure 8 | |
| Triceratium | radioso-reticulatum Grunow | Page -- | Plate 112 | Figure 5 | |
| Triceratium | repletum Grev. var. balearica Grunow | Page -- | Plate 110 | Figure 7 | |
| Triceratium | sculptum Shadbolt | Page 208 | Plate 109 | Figure 7,8 | Note 250 |
| Triceratium | sculptum var. ? petropolitana Grunow | Page -- | Plate 111 | Figure 8 | |
| Triceratium | semicirculare Brightw. = Euodium brightwellii Ralfs | Page -- | Plate 126 | Figure 20 | |
| Triceratium | seychellense Grunow | Page -- | Plate 110 | Figure 1 | |
| Triceratium | shadboltianum Grev. | Page -- | Plate 108 | Figure 5,6 | Note 251 |
| Triceratium | shadboltianum f. pentagona Grunow | Page -- | Plate 108 | Figure 7 | Note 252 |
| Triceratium | sinense A.F.Schwarz = Actinoptychus annulatus Grunow (genus novum?) | Page -- | Plate 124 | Figure 14 | Note 253 |
| Triceratium | sol (autor ?) Grunow | Page -- | Plate 115 | Figure 1,2 | |
| Triceratium | striolatum (Ehrenb.) Roper = Biddulphia rhombus var. trigona Cleve | Page 205 | Plate 99 | Figure 2 | Note 254 |
| Triceratium | tripartitum Grunow | Page -- | Plate 110 | Figure 8 | |
| Triceratium | undulatum Brightw. = Ditylum brightwellii (T.West) Grunow | Page 196 | Plate 114 | Figure 4,8,9 | |
| Triceratium | undulatum Ehrenb. | Page -- | Plate 116 | Figure 7 | |
| Triceratium | undulatum Ehrenb. var. ? petropolitana Grunow | Page -- | Plate 116 | Figure 13 | |
| Triceratium | variabile Brightw. = Biddulphia alternans (Bailey) Van Heurck | Page -- | Plate 113 | Figure 4,5,7 | |
| Triceratium | venosum Brightw. var. | Page -- | Plate 113 | Figure 3 |