Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
Browsing alphabetically by genus and species
Triceratium lineatum Greville (1863)
Triceratium pulvinar Schmidt (1888)
Triceratium secedens Schmidt (1888)
Triceratium trisulcum Schmidt (1886)
Triceratium unguiculatum Greville (1864)
Trilamina nitescens (Greville) Witkowski, Sims, Strelnikova & Williams (2015)