Lithographus
Lithographus (‘rock writing’[2]) is a Carboniferous[3] to Cretaceous[1] trace fossil that has been found in North America, South America, Europe, and east Asia.[1]
| Lithographus Temporal range: | |
|---|---|
Trace fossil classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Subclass: | Pterygota |
| Ichnogenus: | Lithographus Hitchcock 1858 |
| Ichnospecies | |
| |
The ichnogenus is characterized by alternating groups of three tracks arranged in an arrow shape. These are interpreted as tracks of cockroaches, beetles, or similar insects.[2][1] The tracks are likely produced on relatively dry surfaces where the insect's legs do not drag; on wetter sediments, a more continuous trackway is created that is sometimes assigned to Grammepus.[4]
References
- Minter, Nicholas J.; Lockley, Martin G.; Huh, Min; Hwang, Koo-Geun; Kim, Jeong Yul (January 2012). "Lithographus , an Abundant Arthropod Trackway from the Cretaceous Haenam Tracksite of Korea". Ichnos. 19 (1–2): 115–120. doi:10.1080/10420940.2011.625756.
- 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.
- Keighley, D.; Pickerill, R. (1998). "Systematic ichnology of the Mabou and Cumberland groups (Carboniferous) of western Cape Breton Island, eastern Canada, 2: surface markings". Atlantic Geology. 34 (2): 83–112. Retrieved 14 April 2022.
- Getty, Patrick; Ward, Matthew; Simon, Jack (2021). "Grammepus Hitchcock, 1858: A sedimentary variant of the fossil insect trackway Lithographus". Annales Societatis Geologorum Poloniae. doi:10.14241/asgp.2021.09.
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