| Name | From | To | Age range |
|---|---|---|---|
| Chitinozoa type 1 | Late Precambrian | Late Precambrian |
|
| Chitinozoa type 2 | Late Precambrian | Late Precambrian |
|
| Chitinozoa type 2 Yin,1980 | Ordovician | Ordovician |
|
| Chitinozoa type 3 | Late Precambrian | Late Precambrian |
|
| Chitinozoa type 3 Yin,1986 | Ordovician | Ordovician |
|
| Chitinozoa type A | Caradocian | Caradocian |
|
| Chitinozoa type B | Caradocian | Caradocian |
|
| Chitinozoa type C | Caradocian | Caradocian |
|