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:
Octopodichnus trackway at Red Rock Canyon, Nevada, US
Trace fossil classification Edit this classification
Domain: Eukaryota
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]

References
  1. Brady, L. F. (1947). "Invertebrate Tracks from the Coconino Sandstone of Northern Arizona". Journal of Paleontology. 21 (5): 466–472. JSTOR 1299441.
  2. Sadler, Christa J. (March 1993). "Arthropod trace fossils from the Permian De Chelly Sandstone, northeastern Arizona". Journal of Paleontology. 67 (2): 240–249. doi:10.1017/S0022336000032169.
  3. Lucas, Spencer G. (2011). Traces of a Permian seacoast : Prehistoric Trackways National Monument. Albuquerque, N.M.: New Mexico Museum of Natural History and Science. p. 22. ISBN 9780615471709.
  4. Lockley, M. G.; Tedrow, A. R.; Chamberlain, K. C.; Minter, N. J.; Lim, J. (2011). "Footprints and invertebrate traces from a new site in the Nugget Sandstone (Lower Jurassic) of Idaho: implications for life in the northern reaches of the great Navajo-Nuggest erg system in the western USA, Fossil Record 3" (PDF). New Mexico Museum of Natural History and Science Bulletin. 53: 344–356. Retrieved 14 April 2022.


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