The Cyrtogomphoceratidae are a family in the cephalopod order Discosorida that comprises genera commonly with compressed, endogastrically curved shells. Siphuncles lie close to the ventral side, segments are broadly inflated, connecting rings thick and apically expanded thick bullettes. Chambers are short, separated by shallow, dish shaped septa. Apertures are generally simple. The family includes: * Cyrtogomphoceras * Kiaeroceras * Konglungenoceras * Landeroceras * Parryoceras * Strandoceras * Ulrichoceras