Procephalaspis is an extinct genus of jawless fish.

Procephalaspis
Temporal range: Silurian
Scientific classification
Kingdom:
Phylum:
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Genus:
Procephalaspis

References edit

  • 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)