Djurinaspis
Encyclopedia
Djurinaspis is an extinct genus of jawless fish which existed during the early Devonian
Devonian
The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 416.0 ± 2.8 Mya , to the beginning of the Carboniferous Period, about 359.2 ± 2.5 Mya...

 period. It was originally described by Novitskaya in 1983. A new species, D. secunda, from Ukraine
Ukraine
Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

was described by Victor Voichyshyn in 2011.
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