''Lithographus'' (‘rock writing’) is a

Carboniferous The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...

trace fossil that has been found in North America, South America, Europe, and east Asia. 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. 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''.

References

Arthropod trace fossils Insects {{arthropod-stub