Tetanopsyrus
In Depth Tetanopsyrus is a genus of small acanthodiian fish that has been discovered in Canada. Further Reading - Tetanopsyrus lindoei, gen. et sp. nov., an Early Devonian acanthodian from the Northwest Territories, Canada. Acta Geologica Polonica 49:81–96. - P.-Y. Gagnier, G. F. Hanke & M. V. H. Wilson - 1999. - New species of … Read more