The_Trackway_Protichnites.jpg


Summary

Description
English: Protichnites; a trackway; Middle-Late Cambrian; Elk Mound Group; Marathon County, Wisconsin; collected by Joshua Gass; photograph originally published in Kenneth Gass, 2015. Solving the Mystery of the First Animals on Land: The Fossils of Blackberry Hill. Siri Scientific Press, Manchester, UK.
Date
Source Own work
Author Kennethcgass

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Captions

Trackway of one of the earliest land-walkers, Cambrian, central Wisconsin.

Items portrayed in this file

depicts

1 July 2015

0.003367003367003367 second

6.3 millimetre

image/jpeg