shedding needles seasonally—a trait preserved from its ancient ancestors
a classification that reflects shared Vestan origins but distinct mineralogical and thermal histories
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including two generally symmetrical valves that vary from rounded to oval in outline
Exactly how it lived and what it ate are still open to speculation
0.6" Palaeolagus Hayeni Fossil Jaw Section Teeth Oligocene Epoch South Dakota Display Raptor shedding needles seasonally—a trait preservedLocation: Brule Formation, Pennington County, South Dakota Weight: 0. 2 Ounces Dimensions: 0. 6 Inches Long, 0. 4 Inches Wide, 0. 2 Inches Thick Comes with a free display. The item pictured is the one you will receive. Oligocene epoch, 33. 9 to 23 million years ago Palaeolagus hayeni is an extinct species of lagomorph, an ancient rabbit, that lived in North America during the Oligocene epoch. It belongs to the genus Palaeolagus, one of the earliest