Some ammonite genera from the Tithonian of western Cuba and their palaeobiogeographic importance

Studia Geologica Polonica, 1999 - infona.pl
Ammonites of the genus Hybonoticeras Breistroffer, 1947, described here as: Hybonoticeras
(Hybonoticeras) sp. ex. gr. beckeri (Neumayr) and Hybonoticeras (Hybonotella) cf …

Some ammonite genera from the Tithonian of western Cuba and their palaeobiogeographic importance

R Myczyński - Studia Geologica Polonica, 1999 - yadda.icm.edu.pl
Ammonites of the genus Hybonoticeras Breistroffer, 1947, described here as: Hybonoticeras
(Hybonoticeras) sp. ex. gr. beckeri (Neumayr) and Hybonoticeras (Hybonotella) cf …