Part of Eutriconodonta , it was a small sized predator , either a terrestrial insectivore and carnivore , or a semi-aquatic piscivore .
Astroconodon is an extinct genus of mammal from the Cretaceous of North America .
Part of Eutriconodonta , Astroconodon was a small sized predator , either a terrestrial insectivore and carnivore , or a semi-aquatic piscivore .
Astroconodon is an extinct genus of mammal from the Cretaceous of North America .