Chelonipus

{{Short description|Turtle trace fossil}}

{{Ichnobox

| fossil_range ={{fossilrange|Early Triassic|Eocene|Early Triassic-Eocene}}

| image =

| taxon = Chelonipus

| authority = (Vilienstern) Sarjeant & Langston, 1994

| subdivision_ranks = Ichnospecies

| subdivision=

• Chelonipus chadronicus
• Chelonipus parvus

}}

Chelonipus is a trace fossil ichnogenus attributed to turtles. Chelonipus ichnospecies are known from the many locations around the world, spanning many millions of years. Tracks assigned to this ichnogenus have been found in the Early Triassic of Wyoming and Utah, Early Jurassic Ziliujing Formation of China,{{Cite journal |last1=Xing |first1=Lida |last2=Chen |first2=Qiyan |last3=Rozario |first3=Anthony Paul |last4=Klein |first4=Hendrik |last5=Chou |first5=Chunyong |last6=Wang |first6=Donghao |last7=Qi |first7=Qi |date=2025-02-19 |title=First report of turtle and sauropod track assemblages from the Early Jurassic of Guizhou, China |journal=PalZ |language=en |doi=10.1007/s12542-025-00716-1 |issn=0031-0220}} the Late Jurassic Morrison Formation,{{cite journal|author1=Lockley, M.|author2=Foster, J.|year=2006|title=Dinosaur and turtle tracks from the Morrison Formation (Upper Jurassic) of Colorado National Monument, with observations on the taxonomy of vertebrate swim tracks|journal=New Mexico Museum of Natural History and Science Bulletin|volume=36}} the Late Paleocene-Early Eocene Chuckanut Formation, and the Eocene of Texas.{{cite journal |last1=Mustoe |first1=G.E. |year=2019 |title=Lower Eocene footprints from northwest Washington, USA. Part 1: Reptile tracks |journal=Geosciences |volume=9 |issue=321 |pages=1–19 |doi=10.3390/geosciences9070321|doi-access=free |bibcode=2019Geosc...9..321M }}