LyelliceratidaeLyelliceratidae is a family of ammonites belonging to the superfamily Acanthoceratoidea.These cephalopods were fast-moving nektonic carnivores. They lived in the Cretaceous period.GeneraLyelliceras Spath, 1921Pseudobrancoceras Kennedy, 2004Tegoceras Hyatt, 1903Budaiceras Böse, 1928Cenisella Delamette and Latil, 1989Neophlycticeras Spath, 1922Ojinagiceras Cobban and Kennedy, 1989ParacalycocerasStoliczkaia Neumayr, 1875Zuluscaphites Van Hoepen, 1955