Diplichnites are arthropod trackways with two parallel rows of blunt to elongate, closely spaced tracks oriented approximately perpendicularly to the mid-line of the trackway. The term is more often used for the ichnofossils of this description; however, similar trackways from recent arthropods are sometimes given this name as well.
Diplichnites
The trackways Diplichnites from the Elk Mound Group (Cambrian), Blackberry Hill, central Wisconsin. These may have been made by the euthycarcinoid, Mosineia macnaughtoni, which is also found at Blackberry Hill.
Arthropleura is an extinct genus of massive millipedes that lived in what is now North America and Europe around 345 to 290 million years ago, from the Viséan stage of the lower Carboniferous Period to the Sakmarian stage of the lower Permian Period. The species of the genus are the largest known land invertebrates of all time, and would have had few, if any, predators.
Arthropleura
Fossil footprints of Arthropleura, Laggan Harbour, Isle of Arran, Scotland. This trail is the type specimen of the ichnospecies Diplichnites cuithensis.