iThe broad head shield of Cambroraster curves outward like a horseshoe. Fossils also preserve comb-like appendages around its mouth. Its researchers suggest those spines could have sorted small prey from sediment near the seafloor.
iiThe broad head shield of Cambroraster curves outward like a horseshoe. Fossils also preserve comb-like appendages around its mouth. Its researchers suggest those spines could have sorted small prey from sediment near the seafloor.