Scaphites semicostatus holotype

“1, 2, 5, 6 - Scaphites (Scaphites) semicostatus ROEMER, 1852; 1-2 - The holotype, pm 51, a microconch body chamber; 5-6 - PIB 50, the holotype of Scaphites texanus ROEMER, 1852 (a synonym), a macroconch phragmocone. Both specimens are from the "fischzahnreichen Schicht an dec Furt bei Neu Braunfels".” from: A revision of the ammonite types described in F. R OEMER'S 'Die Kreidebildungen von Texas und ihre organischen Einschlüsse' (1852)