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| Hatcherichnus | |
|---|---|
Trace fossil classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauria |
| Clade: | Pseudosuchia |
| Clade: | Crocodylomorpha |
| Clade: | Crocodyliformes |
| Order: | Crocodilia |
| Ichnogenus: | †Hatcherichnus Foster and Lockley, 1997 |
Hatcherichnus is a trace fossil ichnogenus from the Upper Jurassic Morrison Formation of western North America and Europe. The type material is from the Salt Wash Member of the Morrison Formation in southeastern Utah, although the name is in honor of John Bell Hatcher, who illustrated a referred specimen from the Morrison of Garden Park, Colorado, in 1903. The type specimen consists of natural casts of the manus and pes, plus a tail trace, preserved in the roof of a uranium mine. These traces are believed to be those of swimming or floating neosuchian crocodyliforms.
References
- Avanzini, Marco; Piñuela, Laura; Ruiz-Omeñaca, J. Ignacio; Garcia-Ramos, Jose (June 2010). "The crocodyle track Hatcherichnus from the Upper Jurassic of Asturias (Spain)". N M Mus Nat Hist Sci Bull. 51 – via ResearchGate.
- ^ Foster, John; Lockley, Martin (1997). "Probable crocodilian tracks and traces from the Morrison Formation (Upper Jurassic) of eastern Utah". Ichnos. 5 (2): 121–129. Bibcode:1997Ichno...5..121F. doi:10.1080/10420949709386411.
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