| Name | From | To | Age range |
|---|---|---|---|
| Alexandrium tamarense | Quaternary | Quaternary |
|
| Alexandrium catenella | Recent | Recent |
|
| Alexandrium excavatum | Recent | Recent |
|
| Alexandrium ostenfeldii | Recent | Recent |
|
| Alexandrium sp | Recent | Recent |
|
| Alexandrium peruvianum | Nd | Nd |
|
| Alexandrium taylorii | Nd | Nd |
|
| Alexandrium concavum | Nd | Nd |
|
| Alexandrium monilatum | Nd | Nd |
|
| Alexandrium minutum | Nd | Nd |
|
| Alexandrium affine | Nd | Nd |
|
| Alexandrium tamiyavanichii | Nd | Nd |
|
| Alexandrium sp.2 | Nd | Nd |
|
| Alexandrium sp.4 | Nd | Nd |
|
| Alexandrium pseudogoniaulax | Nd | Nd |
|
| Alexandrium compressum | Nd | Nd |
|
| Alexandrium pseudogonyaulax | Nd | Nd |
|