hoplopleuridæ

from The Century Dictionary.

• A family of extinct Cretaeeous and early Tertiary fishes, with the body generally provided with four rows of subtriangular scutes with intermediate scale-like smaller ones, and the head long and with produced jaws. It includes the genera Dercetis, Leptotrachelus, Saurorhamphus, etc. Dercetidœ is a synonym.