Monographie der Otoitidae (Ammonoidea)
Subtitle: Otoites, Trilobiticeras, Normannites, Itinsaites, Epalzites, Germanites, Maschkeites (Pseudotoites, Polyplecites)
By: Gerd Westermann
Published: 1953
Language: ger
Notes: Abstract of thesis (doctoral)--Eberhard-Karls-Universität zu Tübingen, 1953.