Cephalaspis lyelli Agassiz, 1835
Agnatha
Cephalaspidomorphi
Osteostraci
Early Devonian
Old Red Sandstone Fm
Scotland, UK
Length: 20-30 cm
The most famous representative of a group of jawless fish called Osteostraci, Cephalaspis lyelli which name means "Lyell's head shield" was a heavily armored freshwater fish that lived in the Early Devonian of Scotland. Many species of Cephalaspis have been described around the world but Cephalaspis lyelli is probably the only one that belongs with certainty to the genus.
March 24, 2015
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