It is evolute, compressed. The Whorl section is rectangular. The ribs are simple or branching or long or short, well spaced, straight or slightly flexuous, crossing flat venter transversely, typically with distinct umbilical and ventrolateral tubercles.[2]
Species
Hemihoplites feraudianus (d'Orbigny, 1841)
Hemihoplites mexicanus Imlay, 1940
Hemihoplites ploszkiewiczi Riccardi and Aguirre Urreta, 1989
Hemihoplites soulieri (Matheron, 1878)
Hemihoplites varicostatus Riccardi and Aguirre Urreta, 1989
Distribution
Fossils of species within this genus have been found in the Cretaceous rocks of Antarctida (Alexander Island), Bulgaria, southeastern France, Mexico, Slovakia, South Africa and Trinidad and Tobago.[1]
^ abWright, C. W. with Callomon, J.H. and Howarth, M.K. (1996), Mollusca 4 Revised , Cretaceous Ammonoidea, vol. 4, in Treatise on Invertebrate Paleontology, Part L (Roger L. Kaesler et el. eds.), Boulder, Colorado: The Geological Society of America & Lawrence, Kansas: University of Kansas Press, pp. 228, 231.