''Trewavasia carinata'' is an extinct

pycnodontid Pycnodontidae is an extinct family of ray-finned fishes, ranging from the Triassic period until the Eocene. Genera * ''Acrotemnus'' Agassiz, 1843 * ''Anomoeodus'' Forir, 1887 * ''Athrodon'' Sauvage, 1880 * ''Callodus'' Thurmond, 1974 * ''Coccodu ...

fish in the family Coccodontidae that lived during the lower

Cenomanian The Cenomanian is, in the ICS' geological timescale, the oldest or earliest age of the Late Cretaceous Epoch or the lowest stage of the Upper Cretaceous Series. An age is a unit of geochronology; it is a unit of time; the stage is a unit in the s ...

of what is now

Lebanon Lebanon ( , ar, لُبْنَان, translit=lubnān, ), officially the Republic of Lebanon () or the Lebanese Republic, is a country in Western Asia. It is located between Syria to the north and east and Israel to the south, while Cyprus li ...

. It had a large, forward-pointing horn-like spine between its eyes, and a massive stump-like spine emanating from the back of its head. ''T. carinata'' is closely related the genera ''

Corusichthys ''Corusichthys megacephalus'' is an extinct pycnodontid that lived during the lower Cenomanian of what is now Lebanon. ''C. megacephalus'' is known from a 34 mm long fossil. It had plates arranged like a helmet around its head, and had a m ...

'' and ''

Hensodon ''Hensodon spinosus'' is an extinct pycnodontid that lived during the Upper Cenomanian of what is now Lebanon. ''H. spinosus'' superficially resembled a marine angelfish with a massive head, and a very spiny pectoral girdle. Different specimens ...

'', as well as ''

Coccodus ''Coccodus'' is an extinct genus of extinct pycnodontid fish that lived during the lower Cenomanian. The various species had a pair of massive, curved spines emanating from the lower sides of the head, and one curved spine on the top of its hea ...

''.

References

Cretaceous bony fish Pycnodontiformes genera Late Cretaceous fish of Asia {{Cretaceous-fish-stub