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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: Ultramicrostructural reductions in teeth: implications for dietary transition from non-avian dinosaurs to birds

Fig. 1

Enamel characterization and dietary evidence indicated through paravian phylogeny. SEM images showing the internal structure of sectioned teeth from Paraves with a emphasize of avialans (aTroodontid, bAnchiornis, c and d Microraptorines 1 and 2, eJeholornis, f indet. Ornithurine, gLongipteryx and hSapeornis. Abbreviations: Ena, enamel; EDJ (labeled white dashed line), enamel-dentin junction. All scale bar equals to 5 μm

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