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Hatcherichnus is a trace fossil ichnogenus from the Upper Jurassic Morrison Formation of western North America and Europe.[1] 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.[2] These traces are believed to be those of swimming or floating neosuchian crocodyliforms.[2]
| 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 |
References
edit- ^ 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.
- ^ a b 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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