Cockroach dating fossil history million


07-Dec-2017 08:01

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Those early ancestors however lacked the internal ovipositors of modern roaches.

Cockroaches are somewhat generalized insects without special adaptations like the sucking mouthparts of aphids and other true bugs; they have chewing mouthparts and are likely among the most primitive of living neopteran insects.

That was until recently when four ancient (Blattaria: Ectobiidae) From the Early Eocene Green River Formation of Colorado and Its Reintroduction to North America 49 Million Years Later.” This particular species gets its name from David Kohls, who lives near Rifle, Colo., and sent the fossils to paleontologist Peter Vrsansky, one of the article’s authors.

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Scientists say that the critters must have eventually migrated through either the then-balmy Arctic and into Scandadavia, or across the Bering Land Bridge and into Eurasia.

Blattodea, the cockroach, is truly an ancient insect design dating to the Carboniferous, more than 300 million years ago, and a survivor of several mass extensions on earth.