Macropycnodon
Encyclopedia
Macropycnodon is an extinct genus of bony fish which existed in New Mexico
, USA
during the upper Cretaceous period.
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...
, USA
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
during the upper Cretaceous period.