Calliphylloceras


Calliphylloceras is an ammonite belonging to the Phylloceratidae.

Species

Species within this genus include:Calliphylloceras alontinum Calliphylloceras bicicolaeCalliphylloceras capitaniiCalliphylloceras demidoffi Calliphylloceras disputabile Spath, 1927Calliphylloceras freibrocki Imlay, 1953Calliphylloceras kochi Calliphylloceras nilssoniCalliphylloceras nizinanumCalliphylloceras propinquumCalliphylloceras seroplicatumCalliphylloceras spadaeCalliphylloceras supraliasicum
The holotype of C disputabile, the type species, named by Spath in 1927, which came from the Middle Jurassic of Hungary, is based on Phylloceras disputabile Zittil. Neocalliphylloceras Bresairie 1936, Captianioceras Kuvacs 1939 and Euphylloceras Draughtchitz 1953 are equivalent genera.

Description

Calliphylloceras has a smooth, compressed involute shell with a rounded venter and periodic constrictions in the internal mold; surface covered with lirae as in Phylloceras. The first and 2nd lateral saddles are usually triphyllic, others diphyllic.

Distribution

This species has been found in the Cretaceous of Bulgaria, Canada, France, Japan, United States and in the Jurassic of Argentina, Austria, Germany, Hungary, India, Iran, Italy, Japan, Madagascar, the Russian Federation, Spain, Turkey, United States