Cephalaspis

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Cephalaspis Temporal range: Early Devonian (Lochkovian to Emsian), 415–398 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Digital recreation of Cephalaspis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Osteostraci
Genus:	†Cephalaspis Agassiz, 1835[1]
Species:	†C. lyelli
Binomial name
†Cephalaspis lyelli Agassiz, 1835

Cephalaspis (from Greek: κεφαλή kephalḗ, 'head' and Greek: ἀσπίς aspís, 'shield') is a possibly monotypic genus of extinct osteostracan agnathan vertebrate. It was a trout-sized detritivorous fish that lived in the early Devonian.