Diplomoceratidae
# Diplomoceratidae

Diplomoceratidae is a family of ammonites included in the order Ammonitida. Fossils of species within this genus have been found in the Cretaceous 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 Hyatt, 1900
* Glyptoxoceras Spath, 1925
* Neancyloceras Spath, 1926
* Scalarites Wright and Matsumoto, 1954
* Neoglyptoxoceras Collignon, 1969
* Phylloptychoceras Spath, 1953
* Oxybeloceras Hyatt, 1900
* Polyptychoceras Yabe, 1927
* Pseudoxybeloceras Wright and Matsumoto, 1954
* Solenoceras Conrad, 1860
