''Rhinconichthys'' is an extinct genus of

bony fish Osteichthyes (), popularly referred to as the bony fish, is a diverse superclass of fish that have skeletons primarily composed of bone tissue. They can be contrasted with the Chondrichthyes, which have skeletons primarily composed of cartilag ...

which existed during the upper Cretaceous period. Along with its close cousins the great-white-shark-sized or larger ''

Bonnerichthys ''Bonnerichthys'' is a genus of fossil fishes within the family Pachycormidae that lived during the Late Cretaceous Period Fossil remains of this taxon were first described from the Smoky Hill Member of the Niobrara Chalk Formation of Kansas (L ...

'' and the immense ''

Leedsichthys ''Leedsichthys'' is an extinct genus of pachycormid fish that lived in the oceans of the Middle to Late Jurassic.Liston, JJ (2004). An overview of the pachycormiform ''Leedsichthys''. In: Arratia G and Tintori A (eds) Mesozoic Fishes 3 - System ...

'', ''Rhinconichthys'' forms a line of giant filter-feeding bony

pachycormid Pachycormiformes is an extinct order of marine ray-finned fish known from the Early Jurassic to the end of the Cretaceous. It only includes a single family, Pachycormidae. They were characterized by having serrated pectoral fins (though more rece ...

fish that swam the Jurassic and Cretaceous seas for over 100 million years.

Description

''Rhinconichthys'' was a medium-sized fish. ''R.uyenoi'' grew to around 3.4–4.5 meters, while ''R.purgatoriensis'' was much smaller, around 2–2.7 meters.

References

Pachycormiformes Fossil taxa described in 2010 Cretaceous fish of Europe Cretaceous fish of Asia {{Cretaceous-fish-stub