Tytuł pozycji:
A revision of the ammonite types described in F. Roemer's "Die Kreidebildungen von Texas und ihre organischen Einschlusse" (1852)
The type material of the 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 dentatocarinata (ROEMER, 1852), Placenticeras syrtale (MORTON, 1834), Texanites (Texanites) texanus texanus (ROEMER, 1852), Texanites (Texanites) roemeri (YABE & SHIMIZU, 1923), Mariella (Wintonia) brazoensis (ROEMER, 1852), Baculites asperoanceps Lasswitz, 1904, Baculites sp., and Scaphites (Scaphites) semicostatus (ROEMER, 1852).