A revision of the ammonite faunas of the Type Cenomanian. 4. Acanthoceratinae (Acompsoceras, Acanthoceras, Protacanthoceras, Cunningtoniceras and Thomelites)

This contribution continues the revision of the ammonite faunas of the Type Cenomanian. The Middle or Upper Cenomanian species Acompsoceras renevieri (Sharpe, 1857), A. inconstans (Schluter, 1871), A. aff. inconstans, Acanthoceras rhotomagense (Brongniart, 1822), A. jukesbrownei (Spath, 1926a), A. pseudorenevieri (Spath, 1926b), Protacanthoceras tuberculatum tuberculatum Thomel, 1972, Cunningtoniceras cunningtoni (Sharpe, 1855), C. inerme (Pervinquiere, 1907), C. lonsdalei (Adkins, 1928), C. diadema (Spath, 1926b), and Thomelites sornayi (Thomel, 1966) are described and illustrated.