''Sphenonectris'' is an extinct genus of thelodont, which lived in

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tota ...

during the

Early Devonian The Early Devonian is the first of three epochs comprising the Devonian period, corresponding to the Lower Devonian series. It lasted from and began with the Lochkovian Stage , which was followed by the Pragian from and then by the Emsian, whi ...

period. Sphenonectris possessed a hunched pomacanthid-like body with the only visible fin being the caudal fin.

References

External links

* http://fossils.valdosta.edu/fossil_pages/fossils_dev/f5.html Fossils of Canada Thelodonti genera Early Devonian fish Devonian jawless fish {{Devonian-jawless-fish-stub