Halecidae is an

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

aulopiform Aulopiformes is a diverse order of marine ray-finned fish consisting of some 15 extant and several prehistoric families with about 45 genera and over 230 species. The common names grinners, lizardfishes and allies, or aulopiforms are sometimes u ...

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

known from the Cretaceous. It is one of the Enchodontoidei, a diverse group of aulopiforms that were dominant marine fish during the Cretaceous. It contains the following genera: * Family †Halecidae ** Genus †''

Halec ''Halec'' is a genus of prehistoric alepisauriform fish from Cretaceous-aged marine strata of Lebanon Lebanon ( , ar, لُبْنَان, translit=lubnān, ), officially the Republic of Lebanon () or the Lebanese Republic, is a country in ...

'' ** Genus †''

Phylactocephalus ''Phylactocephalus'' (meaning "bringing forth rays from the head") is a genus of prehistoric fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampr ...

'' The genera ''

Hemisaurida ''Hemisaurida'' (meaning "half lizard") is a genus of prehistoric ray-finned fish, known from Cretaceous fossils found in Europe. References Prehistoric aulopiformes Cretaceous fish of Europe Cretaceous bony fish Prehistoric ray-finned ...

'' and '' Serrilepis'' are also sometimes included in the family, though more recent studies have placed them outside it.

References

{{Taxonbar, from=Q1570847 Prehistoric aulopiformes Prehistoric ray-finned fish families