Loxonema subattenuata (FOSSIL) J.W. Hall, 1859 †
Loxonema subconvexa (FOSSIL) Yü, 1961 †
Loxonema subulata (FOSSIL) A. Römer, 1843 †
Loxonema subvariabile (FOSSIL) E.A.L. Kittl, 1899 †
Australoxa tasselli (FOSSIL) Cook & Camilleri, 1997 †
Holopella tenera (FOSSIL) J. Perner, 1903 †
Holopella tenuicincta (FOSSIL) McCoy †
Holopella teres (FOSSIL) Lindström, 1884 †
Loxonema torquatum (FOSSIL) J. Perner, 1907 †
Stylonema transiens (FOSSIL) J. Perner, 1907 †
Stephanocosmia transmutans (FOSSIL) E.A.L. Kittl, 1899 †
Omospira trentonensis (FOSSIL) Ulrich & Scofield, 1897 †
Holopella trimorpha (FOSSIL) L. Waagen, 1880 †
Stylonema trochleatum (FOSSIL) (Münster, 1840 †)
Loxonema turritelliformis (FOSSIL) Klipstein, 1843 †
Loxonema tzwetaevi (FOSSIL) C. Gemmellaro, 1889 †
Loxonema vagrans (FOSSIL) Wilson, 1938 †
Loxonema varicosum (FOSSIL) C. Gemmellaro, 1889 †
Loxonema walcotti (FOSSIL) Blodgett & Johnson,1992 †
Loxonema wetzlariana (FOSSIL) Heidelberger, 2001 †
Loxonema winnipegense (FOSSIL) J.J.F. Whiteaves, 1893 †