|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Actinopteri - Myctophiformes - Neoscopelidae
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|A. M. Prokofiev 2006||Body constitution gracile. Snout moder- ate, not less than 1/4 oh head length, orbit small or mod- erately large; ascending and articular processes of prae- maxillare often fused, rarely completely separated (Beckerophotus); one supramaxillare, hyomandibulare subvertical or oblique, horizontal branch of praeoper- culum reduced, suboperculum at least two times less deep than operculum, branchiostegal rays do not over- lap with pelvic girdle bones. Pelvic bones do not reach cleithrum. Vertebral number 29–35 (most often 30–32), intermuscular bones developed in the trunk region and the anterior part of the caudal region, three elongated epuralia in the caudal skeleton. Anal fin begins behind the end of the dorsal fin; anterior rays of the dorsal fin not elongated; no fulcral scales at the base of the caudal fin. Photophores present (Beckerophotus, Neoscopelus) or absent (Scopelengys, Solivomer).|