| Name | From | To | Age range |
|---|---|---|---|
| Microthyriacites type 2 | Eocene | Eocene |
|
| Microthyriacites type 1 | Eocene | Eocene |
|
| Microthyriacites sp.A | Late Albian | Oligocene |
|
| Microthyriacites sp.2 Gupt.,1994 | Early Tertiary | Early Tertiary |
|
| Microthyriacites sp.2 | Cenomanian | Oligocene |
|
| Microthyriacites sp.1 Gupt.,1994 | Early Tertiary | Early Tertiary |
|
| Microthyriacites sp.1 | Cenomanian | Oligocene |
|
| Microthyriacites sp. Kalg.,1997 | Late Paleocene | Early Eocene |
|
| Microthyriacites sp. Jain & Gupt.,1970 | Early Miocene | Early Miocene |
|
| Microthyriacites sp. Gupt.,1994 | Early Tertiary | Early Tertiary |
|
| Microthyriacites sp | Early Jurassic | Neogene |
|
| Microthyriacites sahnii | Tertiary | Tertiary |
|
| Microthyriacites ramanujamii | Late Tertiary | Late Tertiary |
|
| Microthyriacites plicatus | Early Cretaceous | Early Cretaceous |
|
| Microthyriacites palmatus | Cenomanian | Middle Miocene |
|
| Microthyriacites irregularis | Cenomanian | Oligocene |
|
| Microthyriacites grandis | Tertiary | Miocene |
|