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Contact: Cody Mooneyhan
cmooneyhan@faseb.org
301-634-7104
Society of Vertebrate Paleontology
Caption: Figure 3 -- A bat and dolphin embryo illustrate the process of forelimb enlargement and hind limb reduction, respectively, in the orders Chiroptera and Cetacea. The fossil record shows that Eocene whales (Ambulocetus natans) still had hind limbs, but the earliest known bats looked much like modern Carollia perspicilata.
Credit: T. Hieronymus, K. Sears
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Related news release: Recent studies bring fossils and genes together to piece together evolutionary history
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