What is "neoteleostei"

The Neoteleostei is a large clade of bony fish that includes the Ateleopodidae (jellynoses), Aulopiformes (lizardfish), Myctophiformes (lanternfish), Polymixiiformes (beardfish), Percopsiformes (Troutperches), Gadiformes (cods), Zeiformes (dories), Lampriformes ( oarfish, opah, ribbonfish), and the populous clade of the Acanthopterygii which includes the Beryciformes (squirrelfish) and the Percomorpha (a large number of families such as the tuna, seahorses, gobies, cichlids, flatfish, wrasse, perches, anglerfish, pufferfish).