Words similar to problematicus

Example sentences for: problematicus

How can you use “problematicus” in a sentence? Here are some example sentences to help you improve your vocabulary:

According to Michael Lee of the University of Sydney and Michael Caldwell of Chicago's Field Museum, the 100-million-year-old fossil, christened Pachyrachis problematicus ("problematic thick-ribbed animal") in the late 1970s, is a proto-snake with two legs.