My 25 years of palaeoart chronology...
A closer look at the animals in my 2023 illustration of #HellCreek, featuring ichthyornithean #Birds, #Triceratops, #Tyrannosaurus, two #Acheroraptors, a dead #Pachycephalosaurs, #Brachychampsa (croc), #Meniscoessus (mammal), and #Chamops (lizard); from DINOSAUR BEHAVIOUR, by Prof Michael Benton (published by Princeton University Press).