baryonyx

== English == === Etymology === From Ancient Greek βαρύς (barús, “heavy or strong”) + ὄνυξ (ónux, “claw or talon”). === Noun === baryonyx (plural baryonyxes) Baryonyx walkeri, a theropod from the Cretaceous period discovered in 1983 in Surrey, England by William Walker, believed to be an ancestor of Spinosaurus.