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Figure 5

From: Exceptional preservation of a Cretaceous intestine provides a glimpse of the early ecological diversity of spiny-rayed fishes (Acanthomorpha, Teleostei)

Figure 5

SEM image and energy-dispersive X-ray spectroscopy analysis of the intestine of Spinocaudichthys, MHNM-KK-OT 09a. (A) Optical photograph of the intestine; (B) SEM image (BSE mode) from the white box area in (A) showing part of an abdominal rib (right) and two iron-rich grains. Scale bar represents 100 µm; (C–F) Energy-dispersive X-ray spectra from areas indicated in (B), respectively characteristic of bone (C), the intestine (D), an iron-rich grain (E) and the sedimentary matrix underneath the intestine (F).

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