Origin
It is thought that silphids, including N. orbicollis, arose in the early Mesozoic and spread to southern parts of Pangea before the separation into Laurasia and Gondwanaland. It is believed that Nicrophorus species originated in the Old World and that most species related to N. orbicollis originated in Mexico and Central and South America.
Read more about this topic: Nicrophorus Orbicollis
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