''Octopodichnus'' (‘eight-footed trace’) is a
Permian
The Permian ( ) is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.9 Mya. It is the last period of the Paleoz ...
to
Jurassic
The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...
trace fossil that has been found in the western United States.
The ichnogenus is characterized by alternating groups of four tracks. These are interpreted as tracks of spiders or scorpions.
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References
Arthropod trace fossils
Arachnids
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