Tetranota rugosa (FOSSIL) (E. Emmons, 1855 †)
Plectonotus salteri (FOSSIL) A.H. Clarke, 1899 †
Tetranota scanica (FOSSIL) Ebbestad & al., 2013 †
Tetranota sexcarinata (FOSSIL) Ulrich & Scofield, 1897 †
Tetranota silurica (FOSSIL) (d'Eichwald, 1840 †)
Boucotonotus snajdri (FOSSIL) (Horný, 1963 †)
Tritonophon subtrilobatus (FOSSIL) (Troedsson, 1919 †)
Plectonotoides trilobatus (FOSSIL) (T.A. Conrad, 1839 †)
Tritonophon trilobatus (FOSSIL) (J. de C. Sowerby& Murchison, 1839 †)
Tritonophon trimetra (FOSSIL) (Öpik, 1953 †)
Tetranota umbilicata (FOSSIL) Yü, 1961 †
Tetranota wisconsinensis (FOSSIL) (R.P. Whitfield, 1878 †)