
Belonostomus (meaning "big long mouth") is a genus of actinopterygian fish that was described by Louis Agassiz in 1844. Fossils range from 99.6 million years ago to 65.5 million years ago (B. longirostris).
Belonostomus (meaning "big long mouth") is a genus of actinopterygian fish that was described by Louis Agassiz in 1844. Fossils range from 99.6 million years ago to 65.5 million years ago (B. longirostris).