Trewavasia
Encyclopedia
Trewavasia carinata is an extinct pycnodontid that lived during the lower Cenomanian
of what is now Lebanon
. It had a large, forward-pointing horn-like spine between its eyes, and a massive stump-like spine emanating from the of its head. T. carinata is closely related to the very similar looking genera Ichthyoceros and Hensodon, as well as Coccodus
.
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 stratigraphic column deposited during the corresponding...
of what is now Lebanon
Lebanon
Lebanon , officially the Republic of LebanonRepublic of Lebanon is the most common term used by Lebanese government agencies. The term Lebanese Republic, a literal translation of the official Arabic and French names that is not used in today's world. Arabic is the most common language spoken among...
. It had a large, forward-pointing horn-like spine between its eyes, and a massive stump-like spine emanating from the of its head. T. carinata is closely related to the very similar looking genera Ichthyoceros and Hensodon, as well as Coccodus
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 head...
.
See also
- Prehistoric fishPrehistoric fishPrehistoric fish refers to early fish that are known only from fossil records. They are the earliest known vertebrates, and include the first and extinct fish that lived through the Cambrian to the Tertiary. The study of prehistoric fish is called paleoichthyology...
- List of prehistoric bony fish