Hatcherichnus

{{Short description|Trace fossil}}

{{more citations needed|date=June 2022}}

{{Ichnobox

| taxon = Hatcherichnus

| authority = Foster and Lockley, 1997

}}

Hatcherichnus is a trace fossil ichnogenus from the Upper Jurassic Morrison Formation of western North America and Europe.{{cite journal |url=https://www.researchgate.net/publication/266871694 |last1=Avanzini |first1=Marco |last2=Piñuela |first2=Laura |last3=Ruiz-Omeñaca |first3=J. Ignacio |last4=Garcia-Ramos |first4=Jose |date=June 2010 |title=The crocodyle track Hatcherichnus from the Upper Jurassic of Asturias (Spain) |volume=51 |journal=N M Mus Nat Hist Sci Bull |via=ResearchGate}} 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.{{Cite journal |last1=Foster |first1=John |last2=Lockley |first2=Martin |date=1997 |title=Probable crocodilian tracks and traces from the Morrison Formation (Upper Jurassic) of eastern Utah |url=https://www.tandfonline.com/doi/abs/10.1080/10420949709386411 |journal=Ichnos |volume=5 |issue=2 |pages=121–129|doi=10.1080/10420949709386411 |bibcode=1997Ichno...5..121F |url-access=subscription }} These traces are believed to be those of swimming or floating neosuchian crocodyliforms.