Actinistian gular plates from the Cretaceous of Mexico and the problems assigning gular plates taxonomically
Two gular plates of an indeterminate actinistian are described from the Cretaceous of Muhi quarry, Hidalgo state, in central Mexico.Their narrow shape belongs to the few actinistian gular plates with a high length / width ratio (above 4) in contrast to most known actinistian gular plates with a length / width ratio below 4.The gulars of Vest Muhi q