#fossiladventcalendar — Public Fediverse posts
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#FossilAdventCalendar Day 18
The original of this cast #skeleton, displayed in the #ArizonaMuseumOfNaturalHistory, was found along the Northern Dvina River. It's from Inostrancevia alexandri, a #gorgonopsian from the #Permian. Its huge size is the first thing you'll notice about it; this #animal and its relatives were clearly among the most imposing #predators of their time. Look closer and you'll see that it shares many traits with #mammals, of which it was a not-very-distant relative.