trichiuridæ

from The Century Dictionary.

• A family of acanthopterygian teleost fishes, whose type genus is Trichiurus and whose limits vary.
• In Günther's system, it covered fishes having the body elongate, the mouth deeply clefts strong teeth, and the spinous and soft parts of the fins of nearly equal extent. It thus included the typical Trichiuridæ and others more like Scombridæ.
• By later writers it has been restricted to forms having numerous small anal spines. See cut under Trichiurus.