摘要:The type material orthe ammonites described in F. ROEMER'S 'Die Kreidebildungen von Texas und ihre organischen Einschlusse' (1852) is revised, and referred to Nowakites flaccidicosta (ROEMER, 1852), Texasia denlatocarinata (ROEMER, 1852), Placenticeras syrtale (MORTON, 1834), Texanites (Texanites) texanus texanus (ROEMER, 1852), Tetaniles (Texanites) roemeri (YABE & SHIMIZU, 1923), Mariella (Wintonia) brazoensis (ROEMER, 1852), Baculites asperoanceps Lasswitz, 1904, Bacufiles sp., and Scaphites (Scaphiles) semicostatus ROEMER, 1852.
关键词:Ammonites;Texas;C.R. Roemer;Cretaceous;Type material