Pseudarietites Frech 1902

Genus Pseudarietites Frech, 1902 Type species Pseudarietites silesiacus Frech, 1902: 63; by monotypy. Genus diagnosis Genus of the subfamily Pseudarietitinae with a circular or depressed whorl profile with raised ventral keel paralleled by two longitudinal grooves. Sculpture with simple ribs. Genus composition Central Europe (Frech 1902; Schmidt 1924; Vöhringer 1960): Pseudarietites silesiacus Frech, 1902; Pseudarietites westfalicus Schmidt, 1924; Pseudarietites subtilis Vöhringer, 1960; Pseudarietites serratus Vöhringer, 1960. South China (Ruan 1981): Pseudarietites rotatilis Ruan, 1981. Remarks Pseudarietites differs from Paprothites in the presence of ventral furrows and a raised keel. Paralytoceras, unlike Pseudarietites, has a combination of sharp ribs and spiral lines. Rodingites gen. nov. has a more strongly compressed whorl profile with acute venter and a very prominent attached keel.Published as part of Korn, Dieter & Weyer, Dieter, 2023, The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany), pp. 1-230 in European Journal of Taxonomy 882 on page 180, DOI: 10.5852/ejt.2023.882.2177, http://zenodo.org/record/817758