Octopodichnus

Octopodichnus (‘eight-footed trace’) is a Permian to Jurassic trace fossil that has been found in the western United States.^[3][4]

Octopodichnus Temporal range: Permian–Jurassic PreꞒ Ꞓ O S D C P T J K Pg N
Octopodichnus trackway at Red Rock Canyon, Nevada, US
Trace fossil classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Ichnogenus:	Octopodichnus Gilmore 1927
Ichnospecies
O. didactylus Gilmore 1927 O. minor Brady 1947[1] O. raymondi Alf 1968[2]

The ichnogenus is characterized by alternating groups of four tracks. These are interpreted as tracks of spiders or scorpions.^[3]