It’s time for Trilobite Tuesday! Even very early on in their swim through evolutionary time, trilobites were an amazingly diverse class. In fact, soon after their emergence in the Cambrian seas, the number of trilobite species numbered in the thousands. One of the more unusual members of this early trilobite radiation was Bolbolenellus, found in the 520-million-year-old rocks of Nevada–and notable for the bulbous shape of its nose-like glabella, which has been somewhat compressed in this attractive 3-cm specimen.
With the 2018 hurricane season having started, it’s important to prepare your family for a severe weather emergency. Make a plan, gather supplies and talk to your kids about what to expect:
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