Procephalaspis

Procephalaspis
Temporal range: Silurian
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Infraphylum: Agnatha
Class: Osteostraci
Order: Thyestiida
Genus: Procephalaspis

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)