Clisospira Billings, 1865 † (original description)
Clisospira curiosa Billings, 1865 † (original description)
Ctenodonta iphigenia Billings, 1865 † (original description)
Cyclonema hageri Billings, 1862 † (original description)
Cyclonema montrealensis Billings, 1862 † (original description)
Cyrtocerina Billings, 1865 † (original description)
Cyrtocerina typica Billings, 1865 † (original description)
Cyrtodonta emma Billings, 1862 † (original description)
Cyrtodonta harrietta Billings, 1862 † (original description)
Cyrtodonta hindi Billings, 1862 † (original description)
Cyrtodonta ponderosa Billings, 1862 † (original description)
Eopteria Billings, 1865 † (original description)
Eopteria typica Billings, 1865 † (original description)
Euchasma Billings, 1865 † (original description)
Eunema erigone Billings, 1862 † (original description)
Holopea gracia Billings, 1862 † (original description)
Holopea guelphensis Billings, 1862 † (original description)
Holopea harmonia Billings, 1862 † (original description)
Holopea nereis Billings, 1862 † (original description)
Holopea proserpina Billings, 1862 † (original description)
Holopea pyrene Billings, 1862 † (original description)
Metoptoma alceste Billings, 1865 † (original description)
Metoptoma robusta Billings, 1865 † (original description)
Murchisonia acrea Billings, 1865 † (original description)
Murchisonia adelina Billings, 1865 † (original description)
Murchisonia agilis Billings, 1865 † (original description)
Murchisonia augustina Billings, 1865 † (original description)
Murchisonia catharina Billings, 1865 † (original description)
Murchisonia cicelia Billings, 1865 † (original description)
Murchisonia estella Billings, 1862 † (original description)
Murchisonia hercyna Billings, 1862 † (original description)
Murchisonia hermione Billings, 1862 † (original description)
Murchisonia hyale Billings, 1862 † (original description)
Murchisonia mylitta Billings, 1862 † (original description)
Murchisonia placida Billings, 1865 † (original description)
Murchisonia procris Billings, 1862 † (original description)
Murchisonia simulatrix Billings, 1865 † (original description)
Murchisonia vesta Billings, 1862 † (original description)
Murchisonia vitellia Billings, 1862 † (original description)
Murchisonia xanthippe Billings, 1862 † (original description)
Nautilus popmonius Billings, 1862 † (original description)
Obolella Billings, 1861 † (original description)
Orthoceras menelaus Billings, 1862 † (original description)
Orthoceras perparvum Billings, 1862 † (original description)
Pleurotomaria amphitrite Billings, 1862 † (original description)
Pleurotomaria arachne Billings, 1862 † (original description)
Pleurotomaria deiopeia Billings, 1862 † (original description)
Pleurotomaria eugenia Billings, 1862 † (original description)
Pleurotomaria galtensis Billings, 1862 † (original description)
Straparollus daphne Billings, 1862 † (original description)
Straparollus hippolyita Billings, 1862 † (original description)
Subulites parvulus Billings, 1862 † (original description)