Named By: Mark H.V. Wilson & Michael W. Caldwell - 1998.
Classification: Chordata, Thelodonti, Furcacaudiformes.
Species: S. turnerae (type).
Size: Roughly about 15 centimetres long.
Known locations: Canada.
Time period: Early Devonian.
Fossil representation: Almost complete specimen.
Sphenonectris is a genus of thelodontid fish that lived in waters associated with what is now Canada during the early Devonian.
- The Furcacaudiformes: a new order of jawless vertebrates with thelodont scales, based on articulated Silurian and Devonian fossils from northern Canada. - Journal of Vertebrate Paleontology, Volume 18, no. 1, pp. 10-29. - Mark H.V. Wilson & Michael W. Caldwell - 1998.