- as
ancestral forms from the
Upper Permian, the
exception being the
phylloceratids which gave rise to the
great diversity of post-Tri****ic ammonites. Ceratitids...
-
Dasyceras is an
early phylloceratid from the
Sinemurian stage of the
lower Jur****ic,
found in Europe. The s**** is evolute,
compressed in section. Inner...
- Joly &
Mercier Early Cretaceous (Valanginian) France A
phylloceratine phylloceratid, a
species of Phylloceras.
Prevalia saintjohnpersi Sp. nov
Valid Mangold...
-
Other Jur****ic
Ammonitina are
derived from the Lytoceratina. Later,
phylloceratids are said to have
given rise to
Cretaceous Ammonitina included in the...
- 7306/VJ.21.3. Joly, B.; Parent, H.; Garrido, A. C. (2023). "Aalenian
phylloceratid ammonites from Picún Leufú, Neuquén Basin, Argentina".
Revue de Paléobiologie...
- Iwasaki; Yui Iwasaki;
Ryoji Wani (2019). "Polymorphism in Late
Cretaceous phylloceratid ammonoids:
evidence from
ontogenetic trajectories of
septal spacing"...
