Diplomoceratidae is a family of ammonites included in the order
Ammonitida
Ammonitida is an order of ammonoid cephalopods that lived from the Jurassic through Paleocene time periods, commonly with intricate ammonitic sutures.
Ammonitida is divided into four suborders, the Phylloceratina, Lytoceratina, Ancyloceratina, a ...
. Fossils of species within this genus have been found in the
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...
sediments (age range: from 99.7 to 66.043 million years ago). Studies of ''Diplomoceras'' suggest that members of this family could reach lifespans of over 200 years.
Genera
* ''
Chesapeakella''
Kennedy and Cobban, 1993
* ''
Diplomoceras
''Diplomoceras'' is a genus of ammonites included in the family Diplomoceratidae. Fossils of species within this genus have been found in the Late Cretaceous sediments (age range: Campanian-Maastrichtian
The Maastrichtian () is, in the ICS g ...
''
Hyatt, 1900
* ''
Glyptoxoceras''
Spath, 1925
* ''
Neancyloceras''
Spath, 1926
* ''
Scalarites
''Scalarites'' is a genus of heteromorph ammonites included in the family Diplomoceratidae. These fast-moving nektonic carnivores lived in the Cretaceous period, from 89.3 to 70.6 million years ago). These fossils have been found in Antarctica, B ...
''
Wright and Matsumoto, 1954
* ''
Neoglyptoxoceras''
Collignon, 1969
* ''
Phylloptychoceras''
Spath, 1953
* ''
Oxybeloceras''
Hyatt, 1900
* ''
Polyptychoceras
''Polyptychoceras'' is an extinct genus of ammonites from the Late Cretaceous of Asia, Europe, and North
and South America. It was first named by Hisakatsu Yabe in 1927.Tatsuro Matsumoto and Mitsutoshi Nihongi (1979An Interesting Mode of Occurre ...
''
Yabe, 1927
* ''
Pseudoxybeloceras''
Wright and Matsumoto, 1954
* ''
Solenoceras''
Conrad, 1860
References
External links
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Ammonitida families
Turrilitoidea
{{Ammonitida-stub