Procephalaspis is an extinct genus of jawless fish.
References
- Telling the Evolutionary Time: Molecular Clocks and the Fossil Record (Systematics Association Special Volume) by Philip C J Donoghue and M. Paul Smith (page 227)
|
|---|
|
| | | | | Benneviaspidida | - Benneviaspis
- Ectinaspis
- Hoelaspis
- Securiaspis
- Severaspis
| | Boreaspididae | - Belonaspis
- Boreaspis
- Hapilaspis
- Spatulaspis
- Tauraspis
|
|---|
|
|---|
| Thyestiida | | | Kiaeraspididae | - Acrotomaspis
- Axinaspis
- Gustavaspis
- Kiaeraspis
- Nectaspis
- Norselaspis
|
|---|
| Tremataspididae | - Dobraspis
- Oeselaspis
- Sclerodus
- Tannuaspis
- Timanaspis
- Tremataspis
|
|---|
|
|---|
| Zenaspidida | | | Parameteoraspididae | - Balticaspis
- Escuminaspis
- Levesquaspis
- Parameteoraspis
- Trewinia
|
|---|
| Superciliaspididae | |
|---|
| Scolenaspididae | - Machairaspis
- Scolenaspis
- Ukrainaspis
|
|---|
| Zenaspididae | - Diademaspis
- Stensiopelta
- Tegaspis
- Zenaspis
|
|---|
|
|---|
|
|---|
|
|---|
| |
Category |
Taxon identifiers |
|---|
| Procephalaspis | |
|---|