''Areyongalepis'' is a genus of prehistoric

jawless fish Agnatha (; ) or jawless fish is a paraphyletic infraphylum of animals in the subphylum Vertebrata of the phylum Chordata, characterized by the lack of jaws. The group consists of both extant taxon, living (Cyclostomi, cyclostomes such as hagfish ...

that lived during the

Ordovician The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era, and the second of twelve periods of the Phanerozoic Eon (geology), Eon. The Ordovician spans 41.6 million years f ...

period Period may refer to: Common uses * Period (punctuation) * Era, a length or span of time *Menstruation, commonly referred to as a "period" Arts, entertainment, and media * Period (music), a concept in musical composition * Periodic sentence (o ...

. The genus was originally named ''Areyonga'' by Australian palaeontologist Gavin C. Young, but the name had already been allocated to a modern genus of wasp. Young therefore renamed the fossil fish ''Areyongalepis'' in 2000.

References

Ordovician jawless fish Prehistoric jawless fish genera {{Paleo-jawless-fish-stub