پیشین‌شاخان

†Leptotragulinae (same as Protoceratid)

• †Heteromeryx
• †Leptoreodon
• †Leptotragulus
• †Poabromylus
• †Toromeryx
• †Trigenicus

†پیشین‌شاخان

• †Paratoceras
• †Protoceras
• †Pseudoprotoceras

†هم‌آمیخته‌شاخان

• †Kyptoceras
• †Lambdoceras
• †Prosynthetoceras
• †Synthetoceras
• †Syndyoceras