Anotoceras is a genus of smooth shelled, discoidal ammonites with a depressed, subtrigonal whorl section and ceratitic sutures included in the ceratitid family Otoceratidae.
Anotoceras comes from the Lower Triassic of the Himalaya
References
Arkell et al., Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L. Geol Soc of America and Univ Kansas press, 1957. R. C. Moore (ed)