| Name | From | To | Age range |
|---|---|---|---|
| Triangulina | Late Gothlandian | Permian |
|
| Triangulina admota | Late Gothlandian | Late Gothlandian |
|
| Triangulina alargada | Early Paleozoic | Early Carboniferous |
|
| Triangulina arcessita | Ordovician | Ordovician |
|
| Triangulina aspera | Emsian | Emsian |
|
| Triangulina cylindrica | Middle Pridolian | Middle Pridolian |
|
| Triangulina glabrescens | Early Cretaceous | Early Cretaceous |
|
| Triangulina granulata | Early Jurassic | Early Jurassic |
|
| Triangulina irregularispina | Olenikian | Olenikian |
|
| Triangulina major | Early Cretaceous | Early Cretaceous |
|
| Triangulina parvispinellata | Rhaetian | Rhaetian |
|
| Triangulina proteoides | Nd | Nd |
|
| Triangulina sanpetrensis | Ludlovian | Early Gedinnian |
|
| Triangulina sp | Caradocian | Late Siegenian |
|
| Triangulina sp. Cram.,1964 | Llandoverian | Telychian |
|
| Triangulina sp. Jard.& Yapa.,1968 | Ludlovian | Gedinnian |
|
| Triangulina sp.1 | Tarannon | Tarannon |
|