balistinæ

from The Century Dictionary.

• A subfamily of balistoid fishes having few vertebræ (17), an anterior dorsal fin consisting of 3 (rarely 2) spines, of which the first is enlarged and the second locks it in erection, branchial apertures behind the eyes, a compressed ovate form, and rhombiform scales.
• In early systems of classification, a subfamily embracing the Balistidæ and Triacanthidæ, and equivalent to the suborder Sclerodermi of Gill.
• In some systems, a subfamily equivalent to the family Balistidæ of Gill.