DescriptionAsaphus kowalewskii fossil trilobite (Middle Ordovician; Volkhov River area, near St. Petersburg, far-western Russia) (15270893371).jpg
Asaphus kowalewskii Lawrow, 1856 fossil trilobite from the Ordovician of Russia.
This remarkable trilobite is an asaphid with long eye stalks, an evolutionary adaptation to being most buried in sediments (hiding from predators or waiting for prey), or for seeing above near-substrate turbidity.
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