Figure 3 | Scientific Reports

Figure 3

From: The search for an elusive worm in the tropics, the past as a key to the present, and reverse uniformitarianism

Figure 3

Incipient Macaronichnus from Cocal Beach. (a) Box core of foreshore sediments displaying low-angle cross-stratification and planar lamination, with localized zones of intense bioturbation by Macaronichnus. (b) Horizontal view of the Macaronichnus level. (c) Detail of resin peels showing the typical light-colored sand trail contrasting with the dark surrounding mantle.

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