Anomalolima Cossmann, 1901 † (original description)
Anomalolina Cossmann, 1901 † (original description)
Dallistotapes Cossmann, 1901 accepted as Callistotapes Sacco in Bellardi & Sacco, 1900 (original description)
Homoeodonta Cossmann, 1901 † (original description)
Kellyola Cossmann, 1901 † (original description)
Lefortia Cossmann, 1901 † (original description)
Mansellia Cossmann, 1901 † (original description)
Paracodoceras Cossmann, 1901 † (original description)
Paradadyceras Cossmann, 1901 † (original description)
Psammocoma Ramond, 1901 accepted as Psammacoma Dall, 1900 (original description)
Stefanella Douvillé, 1901 † accepted as Distefanella Parona, 1901 † (original description)
Thurmanniceras Cossmann, 1901 † (original description)
Trigonocardia Cossmann, 1901 accepted as Trigoniocardia Dall, 1900 (original description)