Nannolytoceras is an extinct genus of lytoceratid ammonite, family Lytoceratidae, with a stratigraphic range extending from the Bajocian age to Bathonian age.
Description
Shells of Nannolytoceras species reach a diameter of about . The shell is evolute, smooth, tubular to compressed, with a variable number of more or less regularly spaced deep constrictions. These cephalopods were fast-moving nektonic carnivores. ==Distribution==
Distribution
Fossils of species within this genus have been found in the Jurassic rocks of Italy, Spain, and France. ==References==