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Archive for June, 2016

Paleontologists typically reconstruct past behavior by assuming that function follows form. But there can be more than one function for a given form, and different forms can serve the same function. Deconstructing these relationships can be complicated. Here, we use an example from human evolution—markedly different tooth morphologies in early hominins—to show that insights about the underlying genetic architecture of form can help us to better infer function and deepen our understanding of evolution.

Source: The evolutionary path of least resistance | Science

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Source: Phylogenetic comparative methods complement discriminant function analysis in ecomorphology – Barr – 2013 – American Journal of Physical Anthropology – Wiley Online Library

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The giraffid fossils recovered from ~ 2.8–2.6 million year old (Ma) sediments from Lee Adoyta, Ledi-Geraru, Ethiopia, are described here. Sivatherium maurusium and Giraffa cf. G. gracilis are the two

Source: Fossil Giraffidae (Mammalia, Artiodactyla) from Lee Adoyta, Ledi-Geraru, and Late Pliocene Dietary Evolution in Giraffids from the Lower Awash Valley, Ethiopia | SpringerLink

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Source: Paleoecological reconstruction of hominin-bearing middle Pliocene localities at Woranso-Mille, Ethiopia

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Source: Neogene biomarker record of vegetation change in eastern Africa

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Source: The Pliocene hominin diversity conundrum: Do more fossils mean less clarity?

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Source: Tooth enamel stable isotopes of Holocene and Pleistocene fossil fauna reveal glacial and interglacial paleoenvironments of hominins in Indonesia

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