- Triangulipollis turonicus
- Triangulisaccus
- Triangulisaccus henanensis
- Triangulisaccus primitivus
- Triangulisaccus sp
- Triangulisaccus sp.1
- Triangulizonotriletes
- Triangulizonotriletes gruziensis
- Triangulopsis
- Triangulopsis discoidalis
- Triangulopsis minor
- Triangulopsis plicatus
- Triangulopsis sp
- Triangulopsis sp. Lima,1982
- Triangulopsis sp.A
- Triangulopsis trilobatus
- Triangulopsis varians
- Triangulorites
- Triangulorites bellus
- Triangulorites inferius
- Triangulorites minutus
- Triangulorites pachyexinus
- Triangulorites sp
- Triangulorites triradiatus
- Triangulospora
- Triangulospora lorangerae
- Triangulotricolporites
- Triangulotricolporites ibericus
- Triangulotricolporites triangulus
- Triangumorpha
- Triangumorpha crassa
- Triangumorpha gigantea
- Triangumorpha incrassata
- Triangumorpha minor
- Triangumorpha minuta
- Triangumorpha prima
- Triangumorpha sp
- Triangumorpha striata
- Triangumorpha tenera
- Triangumorpha yunnanensis
- Triangupapillaesporites
- Triangupapillaesporites biseratus
- Trianthemum
- Trianulatisporites triangulatus
- Triaperaturate pollen